Difference between revisions of "Main Page"

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[[Image:Coordinates.png|thumb|301 px|[[The Algorithm]], as shown in [[xkcd]] [http://www.xkcd.com/426/ comic #426].]]
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__NOTOC__
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= The Adventure Starts Here =
  
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[[Image:Portland Sample Coord.png|thumb|222 px|Use [http://xkcd.com/geohashing this tool] to find geohashing coordinates for a given area/date.]]
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'''[[Geohashing]] is a global game of spontaneous adventure generation with over 17,000 expeditions since 2008.''' You will explore random locations, meet fellow geohashers, brave the elements, unlock [[Achievements|achievements]], and then come back here to '''[[expedition|document your expedition]]'''.
  
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[[Image:Noterminal portland sample_2.jpg|thumb|222 px|[[User:NoTerminal|NoTerminal]] and [[User:Drache|Drache]] at the [[2008-02-19 45 -122|February 19, 2008 coordinates]] for Portland, Oregon]]
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[[Image:Flag of Catalonia.png|15px]] [[Pàgina Principal|Català]] - [[Image:Flag of Germany.png|15px]] [[Hauptseite|Deutsch]] - [[Image:Flag of Spain.png|15px]] [[Image:Flag of Mexico.png|15px]] [[Image:Flag of Chile.png|15px]] [[Página Principal|Español]] - [[Image:Flag_of_France.png|15px]] [[Accueil|Français]] - [[Image:Flag of Italy.png|15px]] [[Pagina Principale|Italiano]] - [[File:Flag of Poland.png|15px]] [[Strona główna|Polski]] - [[Image:800px-Flag of Sweden.png|15px]] [[Huvudsida|Svenska]] - [[geohashing:translation|other languages]].{{QUOTER}}
  
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Welcome to the '''Geohashing Community Wiki'''. [[Geohashing]] is a ''Spontaneous Adventure Generator'', brought to you by the [[xkcd]] webcomic.
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[[Image:Coordinates.png|thumb|400px|[[The Algorithm]] was invented for [[xkcd]] [http://www.xkcd.com/426/ comic #426], published on 21 May 2008.]]
  
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== What is this? ==
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== How to play? ==
  
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[[xkcd]] [http://www.xkcd.com/426/ comic #426], published on May 21, 2008, contains an [[algorithm]] that generates random coordinates around the world<sup>1</sup> every day.  Everyone in a given [[Graticule|region]] gets the same set of coordinates.  As such, these coordinates can be used as destinations for adventures, ''à la'' [http://en.wikipedia.org/wiki/Geocaching Geocaching], or for local meetups.
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# Get '''[https://geohashing.info/ today's coordinates]''' with a [[Geohashing:Coordinate_calculators|coordinate calculator]]
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# '''[[A beginner's guide|Go there]]''' (or as close as you safely and legally can)
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# '''[[Special:UserLogin|Create an account]]''' <small>(Returning after a break? All accounts created before 2020-02-02 [[Dark Ages|were deleted]]; you'll need to sign up again)</small>
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# '''[[Expedition|Write about]]''' your expedition!
  
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For a little more interactive discussion, consider joining [irc://irc.foonetic.net/geohashing the #geohashing IRC channel] on Foonetic.
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== How does Geohashing work? ==
 +
Everyday, an [[algorithm]] generates a random coordinate from stock market data. That coordinate can be applied to every 1°×1° latitude/longitude ''[[graticule]]'' in the world, giving a point that might be in a field, a forest, a city, or even [[Water Geohash|out at sea]]! Everyone in the world gets the same set of coordinates relative to their graticule.
  
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<small>1. For time zone issues in Europe, Africa, Asia, and Australia, see [[30W Time Zone Rule]] for an addendum to the algorithm rules.</small>
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Each day, people try to get their nearest generated coordinate, for an adventure, to discover somewhere new, or to meet up with other geohashers. Afterwards, you can '''[[expedition|document your expedition]]'''. The rest of us would love to read your story, see your photos, and cheer your success (or commiserate with your [[Achievements#Consolation_Prizes | failure]])! Join the other 'spot spotters', be out standing in your field and use this wiki to document the daily coordinates (geohashes) you’ve been to or tried to reach.
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<!-- LEAVE THIS FOOTNOTE HERE UNTIL AT LEAST 2008-06-02 -->
 
  
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== How it works ==
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Each day there is also a single [[globalhash]] somewhere on Earth: rare, valued and much harder to reach.
  
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'''Play with the coordinate calculator at [http://xkcd.com/geohashing http://xkcd.com/geohashing].'''  All coordinates refer to the [[wikipedia:WGS84|WGS84]] datum.
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{{Getting started}}
  
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Every day, the [[algorithm]] generates a new set of coordinates for each 1°×1° latitude/longitude zone (known as a [[graticule]]) in the world.  They are randomly placed -- they could be in the forest, in a city, on a mountain, or even in the middle of a lake!  You can use this wiki to document the daily coordinates (geohashes) you've been to.
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{{New on the wiki}}
  
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Unless you can accurately predict the [[DJIA|stock market]], you can't figure out what the coordinates will be ahead of time.  You can first calculate a weekday's coordinates at about 9:30am [[ET]], and on Friday morning you can calculate the coordinates for each day that weekend (sometimes even through Monday when there is a US holiday).
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== Official xkcd meetups ==
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{{:Saturday meetup}}
  
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When visiting geohash locations, please [[geotrashing|respect the area]] you are visiting. Absolutely do not litter or otherwise disturb the natural integrity of the area.  However, if possible, creating some kind of a marker out of nearby materials (i.e. cairn of stones, blair-witch-style 'stick figures', etc.) is encouraged.
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== Gallery of recent expeditions ==
 +
Every expedition should have one photo in that day's gallery, selected manually. Please add yours with the "add" link. If that day's gallery hasn't been started yet, please start it.
  
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Nifty idea: If you are likely to run into a property owner or some other person with a position of responsibility for the land you are visiting, it is helpful to have some written materials to show them. For example you could print out a page with information about geohashing, as well as the map showing location, and write down the TinyURL linking to that day's coordinates.
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* [[Template:Expedition Images2/How-to|How to add your own expedition photos.]]
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* [{{fullurl:{{FULLPAGENAME}}|action=purge}} Refresh the cache] (if your image doesn't show up)
  
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{{disclaimer}}
 
  
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=== Official xkcd meetups ===
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<!-- AUTOMATED BY User:relet.  Direct comments/questions/complaints about the automation process or the new gallery format to his user talk, or visit [[Template:Recent Images2]] -->
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{{Recent Images2}}
  
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Official [[xkcd]] meetups happen every Saturday afternoon at that day's normal geohash coordinates.  All meetups start at 4:00pm (local destination time).  If you go at these times, you might encounter other readers of xkcd.  Bring games!
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== Recent and Upcoming Coordinates ==
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<!--
  
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In such cases when it is unwise to attempt to access the generated coordinates, the [[Saturday meetup]] is postponed until a day when the algorithm provides a more suitable location.  Alternatively, when the coordinates fall within a body of water, you can rent a boat and win the [[Water Geohash]] achievement.
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THIS SECTION HAS BEEN COMPLETELY AUTOMATED BY User:Tjtrumpet2323.  LEAVE MESSAGES ON HIS TALK PAGE WITH CONCERNS.
  
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== Active Graticules ==
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-->{{Next Saturday}}
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Want to find geohashers in your local area?  See [[Active Graticules]] for a list of graticules with active users in them.
 
  
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An interactive map is available for [[http://irc.peeron.com/xkcd/map/data/graticule.kml Google Earth]] or on [[http://maps.google.com/maps?f=q&hl=en&geocode=&q=http:%2F%2Firc.peeron.com%2Fxkcd%2Fmap%2Fdata%2Fgraticule.kml&ie=UTF8&ll=42.811522,-71.773682&spn=6.051885,9.733887&z=7 Google Maps]].
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* {{Coordinates list}}
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* {{Expedition archive recent}}
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== Implementations ==
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{{disclaimer}}
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A full list of reference and practical implementations can be found on the [[Implementations]] page.
 
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== Recent and Upcoming Expeditions ==  <!--  RECOMMENDED THAT EIGHT DAYS BE KEPT HERE ONCE WE GET GOING; JUST NEEDED SOMETHING TO ARCHIVE  -->
 
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The coordinates for the [[Saturday meetup]] on '''May 31, 2008''' will be based on the [[Dow]]'s opening price at 9:30am [[ET]] on Friday, May 30.  See [http://www.timeanddate.com/worldclock/fixedtime.html?month=5&day=30&year=2008&hour=9&min=30&sec=0&p1=179 timeanddate.com] to convert this time to your local time zone.
 
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{{30w}}  <!--  LEAVE {{30w}} UP THROUGH 2008-06-02 TO GIVE PEOPLE A WEEK TO NOTICE  -->
 
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=== {{date link|2008-05-27}} ===
 
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'''The first day the [[30W Time Zone Rule]] is in effect.'''
 
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* '''West of [[-30°]]:''' The coordinates will be announced at 9:30am [[ET]] on Tuesday, May 27.
 
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* '''East of -30°:''' The coordinates for Tuesday, May 27 are available.  They were available early by combination of the [[DJIA|Dow]]'s [http://www.nyse.com/about/newsevents/1176373643795.html?sa_campaign=/internal_ads/callouts/holidays Memorial Day] holiday and the new [[30W Time Zone Rule]].
 
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=== {{date link|2008-05-26}} ===
 
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The coordinates for Monday, May 26 are available.  They were available early due to the [[DJIA|Dow]]'s [http://www.nyse.com/about/newsevents/1176373643795.html?sa_campaign=/internal_ads/callouts/holidays Memorial Day] holiday.
 
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I am going to attempt the 41, -71 graticule for Monday, May 26th, off Hill Farm Rd. in Coventry. Anyone in the RI area who has a boat - this might qualify for a Water Geohash. As I don't own a boat or possess levitation skills (necessary for Dagobah geohashing), I might be resigned to taking pictures from the very close land! Edit here if looking to meet up so times can be discussed (or is 4:00pm the default?). -Patrick
 
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--I'm attempting to find a way to get there at the moment, as I may not have access to transportation tomorrow. We (meaning anyone) can use my userpage to discuss any plans. --[[User:Yusuke|Yusuke]] 22:54, 25 May 2008 (UTC)-Yusuke
 
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=== {{date link|2008-05-25}} ===
 
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The coordinates for Sunday, May 25 are available.
 
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* [[2008-05-25 -33 151|2008-05-25 Sydney (East), Australia]] - Successfully reached by [[User:Middlerun|Middlerun]].
 
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* [[2008-05-24 -38 175|2008-05-25 Hamilton, New Zealand]] - Successfully reached by [[User:InvaluableKiwi|InvaluableKiwi]]. Point was in the middle of a river, so went by kayak.
 
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* [[2008-05-25 42 -71|2008-05-25 Boston]] - (Somewhat) successfully reached by [[User:Shrewd|Shrewd]] and siblings. Point was private property, so pictures were taken from the road.
 
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* [[2008-05-25 55 12|2008-05-25 Copenhagen, Denmark]] - Successfully reached by [[User:SolidHydrogen|SolidHydrogen]]. Teenagers with automatic weapons and bulletproof vests were encountered en route!
 
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* [[2008-05-25 51 -3|2008-05-25 Cardiff, Wales, UK]] - Successfully reached by [[User:Darocia|Darocia]]. Very wet!
 
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* [[2008-05-25_41_-88|2008-05-35 Aurora, IL]] -Successfully Viewed by [[User:Spider|Spider]] reached by various sea gulls, Point was in a lake, located in the West Branch Forest Preserve
 
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=== {{date link|2008-05-24}} - [[Saturday meetup]] ===
 
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'''The first [[Saturday meetup]] day since [[Geohashing]] publicly launched.'''
 
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The coordinates for Saturday, May 24 are available. Convenient city graticules in the U.S. include: Madison, San Antonio, Cleveland, Portland, Rochester and Baltimore.
 
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Gallery (see more at the [[2008-05-24|2008-05-24 meetup page]]):
 
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<gallery caption="Multi-group meetups with pictures (so far)" widths="150px" heights="100px" perrow="3">
 
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Image:2008-05-24 frisbee circle.jpg|[[2008-05-24 42 -71|Boston, Massachusetts]]
 
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Image:5-24-08Group.JPG|[[2008-05-24 40 -105|Denver, Colorado]]
 
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Image:20080524-Picnic.jpg|[[2008-05-24 37 -121|San Jose, California]]
 
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Image:Picresized th 1211718777 DSC 0060.jpg|[[2008-05-24 29 -95|Houston, Texas]]
 
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Image:DSCN062008-05-24 54 -2 2.jpg|[[2008-05-24 54 -2|Carlisle, UK]]
 
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Image:Baltimore geohashers2 20080524.jpg|[[2008-05-24 39 -76|Baltimore, Maryland]]
 
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Image:101 2330.JPG|[[2008-05-24 51 -0|London West, UK]]
 
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Image:SLO52408-1.jpg|[[2008-05-24 35 -120|San Luis Obispo, California]]
 
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Image:Los Angeles geohash 20080524 - people.jpg|[[2008-05-24 34 -118|Los Angeles, California]]
 
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Image:Pdx-052508-1.JPG|[[2008-05-24 45 -122|Portland, Oregon]]
 
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Image:Dan-joe-ryan-qvga.jpg|[[2008-05-24_43_-77|Rochester, New York]]
 
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Image:Cincinnati_puerto_rico.jpg|[[2008-05-24 39 -84|Cincinnati, Ohio]]
 
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</gallery>
 
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* [[2008-05-24 Edmonton, Alberta, Canada]] - 7 total, 3 groups reached location (the Erlman farm) had cookies!
 
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* [[2008-05-24 40 -105|2008-05-24 Denver, Colorado, USA]] - 4 [[Achievements]] earned! Eleven total made it to the spot in two groups.  Elevation-9,610 ft. Snow-plentiful.
 
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* [[2008-05-24 37 -121|San Jose, California]] -- Not quite reachable, it was still on the beach of a lake, and multiple groups met up and had a very enjoyable picnic.
 
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* [[2008-05-24 42 -71|2008-05-24 Boston, Massachusetts, USA]] - '''Huge success!''' About 40 people, despite bad suburban location found park, played Frisbee, went for pizza, played various games, stayed until after sundown.  Many pictures!
 
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* [[2008-05-24 41 -87|2008-05-24 Chicago, Illinois, USA]] - Only one person made it, to a farm 60 miles south of Chicago... perhaps the graticule shift would bring in more people.
 
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* [[2008-05-24 42 - 76|2008-05-24 Ithaca, New York, USA]] - Three of us got as close as we could by car, didn't have a handheld GPS receiver.  Arrived slightly after 4:00 pm EST, saw no one else. We saw evidence of someone perhaps arriving (and pulling over where we pulled over) not long before us, and apparently someone showed up after us! Ithaca people need more patience, I guess, as we left at about 4:15 feeling strange that we were sitting on the side of a highway.
 
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* [[2008-05-24 35 -120|2008-05-24 San Luis Obispo, California, USA]] -- [[User:bigbadbyte|bigbadbyte]] reached geohash with 2 associates. Met another group of 3 people. All successfully reached geohash. Details available at San Luis Obispo graticule.
 
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* [[2008-05-24 42 -88|2008-05-24 Shaumburg, Illinois, USA]] -- [[User:DavidEGrayson|DavidEGrayson]] and cousin Noah reached the point, meeting [[User:Shakedown|Shakedown]], Katie, and [[User:Spider|Bill]].
 
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* [[2008-05-24 47 8|2008-05-24 Zug, Switzerland]] -- [[User:Adi|Adi]] Reached at about 16.20 local time.
 
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* [[2008-05-24 -43 172|2008-05-24 Christchurch, New Zealand]] -- [[User:Phire|Phire]] Failed to reach this geohash, and had to be rescued by the police.
 
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* [[2008-05-24 -35 148|2008-05-24 Canberra (West), Australia]] -- Missed by miles by [[User:Polysylabic_Pseudonym|Psud (Adam)]] and Chris. Psud trying again another day. Brewing beer 2008-05-25.
 
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* [[2008-05-24 -35 138|2008-05-24 Adelaide (South), Australia]] -- Successfully reached suburban location.
 
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* [[2008-05-24 -28 152|2008-05-24 Brisbane (Southwest), Australia]] -- Successfully reached.
 
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* [[2008-05-24 53 6|2008-05-24 Eelde, The Netherlands]] -- Successfully reached after grueling hike of about 200 metres through a meadow.
 
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* [[2008-05-24 51 -0|2008-05-24 London West, United Kingdom]] - Kira reached this point with [[User:Hello1024|Oliver]], Kit and [[User:James|James]]. Updating wiki from actual spot :)
 
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* [[2008-05-24 60 24|2008-05-24 Helsinki, Finland]] -- Successfully reached.
 
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* [[2008-05-24_48_11|2008-05-24 Munich, Germany]] -- Split-double-wrong achievement!
 
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* [[2008-05-24_52_-1|2008-05-24 Birmingham East, United Kingdom]] - Successfully reached field of cows.
 
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* [[2008-05-24_54_-2|2008-05-24 Carlisle, United Kingdom]] - Three groups met up while independently reaching another field of cows.
 
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* [[2008-05-24_54_-1|2008-05-24 Middlesbrough, United Kingdom]] - Ajtag Missed, getting close then gps ran out of batteries.
 
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* [[2008-05-24 52 4|2008-05-24 Hazerswoude, The Netherlands]] - Reached.
 
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* [[2008-05-24 48 2|2008-05-24 Paris, France]] - Actually a failure; only pre-30W Friday's location was reached... but it was still fun!
 
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* [[2008-05-24 39 -76|2008-05-24 Baltimore, Maryland, USA]] - Nearly reached by [[User:Avagara|Avagara]] and four others, but location was in a private home and access was not allowed by homeowner.
 
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* [[2008-05-24 39 -77|2008-05-24 Frederick, Maryland, USA]] - Successfully reached by [[User:Ciel|Dan]], Kyle, David, and Jillian.
 
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* [[2008-05-24_52_13|2008-05-24 Berlin, Germany]] - Missed - one person tried and messed something up with the geography...
 
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* [[2008-05-24_53_-1|2008-05-24 Sheffield, UK]] - Successfully reached on 55 mile cycle trip.
 
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* [[2008-05-24 38 -78|2008-05-24 Shenandoah Valley, Virginia, USA]] - Reached, but alone.
 
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* [[2008-05-24 36 -77|2008-05-24 Creedmore, North Carolina, USA]] - Got close at 16:30; thwarted by forest; ate pie instead.
 
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* [[2008-05-24 48 16|2008-05-24 Vienna, Austria]] - Meeting point was inside the airport territory. Had to stop 50m away.
 
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* [[2008-05-24 49 -97|2008-05-24 Winnipeg, Manitoba, Canada]] - Reached, sat under a shelterbelt tree for half an hour all by myself.
 
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* [[2008-05-24 43 -78|2008-05-24 Lockport, New York, USA]] - Reached the roadside 500 feet from the area; it was someone's back lawn. Waited 'till 4:30 listening to Dethklok, but nobody else showed.
 
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* [[2008-05-24_43_-77|2008-05-24 Rochester, New York, USA]] - Meet point within city limits; 6 people showed up (4 on time) :)
 
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* [[2008-05-24 34 -117|2008-05-24 Rancho Cucamonga, California, USA]] - Reached
 
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* [[2008-05-24_43_-41-71|2008-05-24 Eugene, Corvallis, Monmouth, and West Salem, Oregon, USA]] -Stood alone on a mountain top.
 
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* [[2008-05-24 41 -93|2008-05-24 Des Moines, Iowa, USA]] - Nearly reached, alone
 
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* [[2008-05-24 29 -95|2008-05-24 Houston, Texas, USA]] - Sucessfully Reached, 4 People showed up.
 
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* [[2008-05-24 33 -84|2008-05-24 Atlanta, Geogia, USA]] -- [[User:Musiqua|Monica]] Reached this spot at about 4:30 EST with Andy and Eric with only minimal trespassing upon a logging/hunting ground involved. Subsequently met a very nice guy named Chris.
 
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* [[2008-05-24 42 -91|2008-05-24 Cedar Rapids, Iowa, USA]] - Meeting point was well inside private farmland with no direct access.  [[User:Nfomi|Nfomi]] settled for a drive-by.
 
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* [[2008-05-24 38 -121|2008-05-24 Sacramento, California, USA]] - Meeting point was well inside private farmland, and I decided to be good too. Settled for a picture.  Another group also stopped at the "no trespassing" sign and visited a nearby TV tower, one of the tallest structures in the world at 2049 feet.
 
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* [[2008-05-24 42 - 76|2008-05-24 Ithaca, New York, USA]] - Two of us got as close as we could by car, didn't have a handheld GPS receiver.  Arrived ~4:15 pm EST, saw no one else, but had a lovely drive and bought some delicious strawberry rhubarb pie at a farmstand.
 
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* [[2008-05-24 34 -118|2008-05-24 Los Angeles, California, USA]] - [[User:Darcy|Darcy]] (with mother and dog in tow) and seven others (who can add their own names if desired) got within about 250 feet of the meeting point by a bit after 5pm and took pictures.
 
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* [[2008-05-24 41 -88|2008-05-24 Aurora, Illinois, USA]] - Side of a road, no one there. Took pictures.
 
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* [[2008-05-24 -23 -46|2008-05-24 Atibaia, São Paulo, Brazil]] - We two almost reached the spot. Was in a private property. Talked to owners but did not enter. Played chess. Placed xkcd signs. Took very geek photos (coming soon)
 
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* [[2008-05-24 36 -86|2008-05-24 Nashville, Tennessee, USA]] - Got close. Location was in a fenced-in field. Went and saw the new Indy movie at a nearby theater.
 
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* [[2008-05-24 48 -122|2008-05-24 Bellingham, Washington, USA]] - The actual coordinates were .75mi off shore from an out-of-the-way public beach.
 
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* [[2008-05-24 32 -86|2008-05-24 Montgomery, Alabama, USA]] - Mission successful. [[User:Ashley|Ashley]] and her pet duck frolicked in the woods about an hour southwest of Montgomery. No one else was there, but they had lots of fun anyway.
 
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* [[2008-05-24 32 -86|2008-05-24 Surrey, British Columbia, Canada]] - Reached by at least nine people (between 15h30 and 16h30). This included four separate groups, one of which included [[User:Queerasmoi|Queerasmoi]], [[User:Jakke|Jakke]] and [[User:Naturalnumber|Naturalnumber]]. The site was just behind someone's backyard, but the owners were super friendly and took our pictures.
 
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* [[2008-05-24      |2008-05-24 Phoenix, Arizona, USA]] - Mission disastrous. Two of us got lost several times and ended up being an hour and a half late. Area appeared to be inaccessible, no one else was around. Still took pictures, ate pizza, had fun.
 
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* [[2008-05-24 52 106|2008-05-24 Saskatoon, Sasktachewan, Canada]] -- Successfully reached by 2. In the middle of someone's farm, no one else around we could see the spot from about 15 mins away so even though we were late we know no one else made it.
 
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* [[2008-05-24 39 -121|Chico, California]] &mdash; The exact point was reachable, but only one person reached it at the designated time.
 
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*[[2008-05-24|Albuquerque/Santa Fe, New Mexico]] Successfully reached, made chalk art, but no one showed up.
 
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* [[2008-05-24 40 -86|2008-05-24 Lafayette, Indiana]] - Two of us got there and ate cheese.
 
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* [[2008-05-24|2008-05-24]] [[Lansing, Michigan|Lansing, Michigan]] - Three of us went together, played some harmonica and proceeded to go out for ice cream.
 
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=== {{date link|2008-05-23}} ===
 
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The coordinates for Friday, May 23 are available.
 
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* [[2008-05-23 42 -88|2008-05-23 Schaumburg, Illinois]] -- First reached by [[User:Top Quark|Virginia]].
 
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* [[2008-05-23 42 -71|2008-05-23 Boston, Massachusetts]] -- First reached by [[User:xkcd|Randall]], davean, and Tesia.
 
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* [[2008-05-23 30 -97|2008-05-23 Austin, Texas]] -- Reached by [[User:Sigma|Sigma]].
 
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=== {{date link|2008-05-22}} ===
 
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The coordinates for Thursday, May 22 are available.
 
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* [[2008-05-22 39 -105|2008-05-22 Denver, Colorado]] -- This geohash has been reached by [[User:Akedrou|Akedrou]].
 
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* [[2008-05-22 32 -117|2008-05-22 San Diego, California]] -- This coordinate was reached by [[User:Somnivore|Somnivore]].
 
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* [[2008-05-22 42 -89|2008-05-22 Stoughton, Wisconsin]] -- This geohash was reached by [[User:Alric|Alric]].
 
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* [[2008-05-22 40 -96|2008-05-22 Lincoln, Nebraska]] -- This geohash was reached by [[User:Spike|Spike]] and crew.
 
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* [[2008-05-22 44 -93|2008-05-22 Southern Minneapolis, Minnesota]] -- This geohash was reached by [[User:ironiridis|Chris]] and [[User:Springbok|Abi]].
 
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=== Older Events ===
 
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{{expedition archive recent}}
 
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== Known Issues ==
 
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Several known issues are presented at [[Known Issues]].  There is an ongoing discussion on these and other issues at [[Talk:Main Page]].
 
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== FAQ ==
 
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Q:  Where is the FAQ page so I can ask a Question?
 
  
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A: ?
 
  
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Q:  I tried to use the md5sum from my unix/linux command line and the hash was not the same as the comic. What is the correct command line?
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{{Recent expeditions}}
  
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A: Try this to match the example:
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==Recent non-expeditions==
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  echo -n 2005-05-26-10458.68 | md5sum
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This section documents hash expeditions that geohashers ''wish'' they could make, but have not been able to for the reasons stated.
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The md5sum command may be called md5 instead.
 
  
 +
[[Recent_non-expeditions#2013|2013]] - [[Recent_non-expeditions#2014|2014]] - [[Recent_non-expeditions#2015|2015]] - [[Recent_non-expeditions#2017|2017]] - [[Recent_non-expeditions#2020|2020]]
  
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== Related Projects ==
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<!--- Please... Add other heroic non-expeditions anywhere that is appropriate.--->
  
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* [http://geocaching.com Geocaching: Global GPS cache hunt]
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<!--
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* [http://geodashing.gpsgames.org Geodashing: Monthly points, randomly created]
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###### !!! POSTED !!! NO TRESPASSING !!! ##################################
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* [http://www.confluence.org The Degree Confluence Project: visiting every integer latitude/longitude crossing point in the world]
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IF YOU ARE READING THIS (and were hoping to add your expedition picture to the gallery) YOU HAVE TAKEN A WRONG TURN. TRY CLICKING THE 'add' BUTTON NEXT TO THE DAY OF YOUR EXPEDITION IN THE GALLERY.
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* [http://geotude.com Geotude: Numbering the One Degree Graticules]
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Latest revision as of 18:53, 21 July 2024

The Adventure Starts Here

Geohashing is a global game of spontaneous adventure generation with over 17,000 expeditions since 2008. You will explore random locations, meet fellow geohashers, brave the elements, unlock achievements, and then come back here to document your expedition.

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“
When the Coast Guard told us to come onto their boat while they towed the raft to shore, we completely neglected to wield our plastic cutlasses menacingly and cry out "Prepare to be boarded, ye scurvy dogs!" as we leapt aboard.
 ”
find some more great geohashing quotations here.
—Robyn
The Algorithm was invented for xkcd comic #426, published on 21 May 2008.

How to play?

  1. Get today's coordinates with a coordinate calculator
  2. Go there (or as close as you safely and legally can)
  3. Create an account (Returning after a break? All accounts created before 2020-02-02 were deleted; you'll need to sign up again)
  4. Write about your expedition!

How does Geohashing work?

Everyday, an algorithm generates a random coordinate from stock market data. That coordinate can be applied to every 1°×1° latitude/longitude graticule in the world, giving a point that might be in a field, a forest, a city, or even out at sea! Everyone in the world gets the same set of coordinates relative to their graticule.

Each day, people try to get their nearest generated coordinate, for an adventure, to discover somewhere new, or to meet up with other geohashers. Afterwards, you can document your expedition. The rest of us would love to read your story, see your photos, and cheer your success (or commiserate with your failure)! Join the other 'spot spotters', be out standing in your field and use this wiki to document the daily coordinates (geohashes) you’ve been to or tried to reach.

Each day there is also a single globalhash somewhere on Earth: rare, valued and much harder to reach.

Learn more

How to geohash:

Other people's expeditions:

Get involved


news archive • Edit What's new on the wiki?

More pages needing discussion • Discussion archive • Edit Now discussing - please join in: 


Official xkcd meetups

Felix Dance, Mdixon4, Rhonda, Lachie and Stevage meet up at the 28 December 2015 (a Monday) coordinates for Bairnsdale, VIC, Australia.

Based on the title text from the comic that established geohashing, the "official" meetup day was interpreted as being Saturday; that is, the day one would have the best chance of meeting others -- see also Mouseover Day. Additionally it was decided through convention that a good meeting time would be 16:00 local time (4:00 P.M.)¹

However, neither of these are hard rules, and they were formulated at a very different early stage in the sport's history. Nowadays and for quite awhile actually, any date or time can be good (or bad, depending on how many other hashers are near you) for meeting up, especially if prearranged. Note that this only applies to that day’s normal local geohash or globalhash coordinates, if you try to go to an alternate location without telling anyone else, it's highly unlikely you'd meet up with a hasher there (obviously).

¹Or earlier if that would be too close to sunset during the winter, or other quirks of temporal tradition; see your local graticule page for consensus there.

Gallery of recent expeditions

Every expedition should have one photo in that day's gallery, selected manually. Please add yours with the "add" link. If that day's gallery hasn't been started yet, please start it.


Recent Expeditions


Recent and Upcoming Coordinates

The coordinates for the next Saturday meetups, scheduled for 16 November 2024, will be based on the Dow’s opening price published at 09:30 EST (14:30 UTC) on Friday 15 November. See timeanddate.com to convert this time to your local time zone.

Disclaimer: When any coordinates generated by the Geohashing algorithm fall within a dangerous area, are inaccessible, or would require illegal trespass, DO NOT attempt to reach them. Please research each potential location before attempting to access it. You are expected to use proper judgment in all cases and are solely responsible for your own actions. See more guidelines.


Expeditions Being Planned

Expeditions and Plans

2024-11-13

Expeditions and Plans

2024-11-12
St. Paul SE, Minnesota Kyrkazakh On a path through exurban woods in Hudson, WI.

Recent Expeditions

Expeditions and Plans

2024-11-11

Expeditions and Plans

2024-11-10
Minneapolis SW, Minnesota Kyrkazakh Off a Hwy 101 frontage road in Shakopee, MN.
Hutchinson, Minnesota Kyrkazakh Around 7 miles south of Hutchinson, MN.
Stuttgart, Germany Torodeas Somewhere
Brno, Czech Republic Vojtabeil Kukle near Svitavy.
Swindon, United Kingdom Dan Q Barnard Gate, where the A40 cycleway briefly diverges from the main road.

Expeditions and Plans

2024-11-09
Duchesne, Utah McKay Stillwater campground just off Christmas Meadows Road in the Wasatch Nation...
Stavanger, Norway Pica42 Next to a barn at Haga in Sandnes municipality, Norway

Expeditions and Plans

2024-11-08
Melbourne West, Australia Stevage, John, KT, Pwc, Lachie, Cam, Laura, BarbaraTables, Pearl On the edge of Albert Park, just off St Kilda Road.
Taichung, Taiwan Felix Dance In an overgrown floodplain near Hsinchu.
Minneapolis NW, Minnesota Kyrkazakh In Peltzer Park, Ramsey, MN.
Seattle, Washington Thomcat A hillside street corner above Tacoma's old waterfront.
Dresden, Germany coyotebush On a dirt road in a garden colony near Lübbenau. Maps generally place the ...
Edinburgh, United Kingdom KerrMcF On Scarhill Avenue, Airdrie.

Expeditions and Plans

2024-11-07
Würzburg, Germany Torodeas Somewhere
Utrecht, Netherlands MyrtleGlacy In a Tesla parking lot in Utrecht.


Recent non-expeditions

This section documents hash expeditions that geohashers wish they could make, but have not been able to for the reasons stated.

2013 - 2014 - 2015 - 2017 - 2020


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