Difference between revisions of "Main Page"

From Geohashing
imported>Xkcd
(→‎How to play?: Reorder - you don't need an account to geohash.)
 
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[[Image:Coordinates.png|thumb|301 px|The Algorithm]]
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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|Coordinates for Portland on January 1, 2008 (taken from [http://xkcd.com/geohashing this tool])]]
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'''[[Geohashing]] is a game of spontaneous adventure generation played around the world 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]] at the February 17th coordinates]]
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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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== What is this? ==
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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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[http://www.xkcd.com/426/ XKCD comic #426] contains an algorithm that generates random coordinates across the country<sup>1</sup> every day.
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== How to play? ==
  
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These coordinates can be used as destinations for adventures, a-la [http://en.wikipedia.org/wiki/Geocaching Geocaching].  They can also be used 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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<small><sup>1.</sup> Europe/Asia date handling still under discussion, see [[Talk:Main Page]].</small>
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== How does Geohashing work? ==
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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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== How it works ==
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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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Play with the coordinate calculator here: [http://xkcd.com/geohashing http://xkcd.com/geohashing]
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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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Every day, the algorithm generates a new set of coordinates for every region.  They are randomly placed -- they could be in the forest, in a city, or on a mountain.  You can use this wiki to document the coordinates (geohashes) you've been to.
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{{Getting started}}
  
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Unless you can predict the 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 9:30 AM, and on Friday morning you can calculate the coordinates for each day that weekend.
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{{New on the wiki}}
  
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If you go on Saturday afternoons, you might encounter other xkcd readers.  Bring games!
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== Official xkcd meetups ==
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{{:Saturday meetup}}
  
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== Official Meetup ==
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== Gallery of recent expeditions ==
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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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The official xkcd meetups happen every Saturday afternoon at 4:00 PM. If the coordinates for your area are in the ocean, a military base, or somewhere otherwise unreachable, that meetup is of course postponed.  Unless, of course, you own a boat, are a soldier at said military base, or are James Bond.  If you can, record who's there, take pictures, and post them here.
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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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== Guidelines ==
 
  
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A sample interactive coordinate calculator can be found here: [http://irc.peeron.com/xkcd/map]
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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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A reference implementation is available here: [http://irc.peeron.com/xkcd/map/sample.pl.html view] [http://irc.peeron.com/xkcd/map/sample.pl download]
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{{Recent Images2}}
  
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Meetups are Saturday at 4:00 PM on days when the coordinate is reachable (i.e. not on the open sea).  Later we can all go for dinner.
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== Recent and Upcoming Coordinates ==
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<!--
  
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When the coordinate falls somewhere dangerous or illegal to reach, use your judgment.  If the coordinates are in an obviously unreachable place, the setup meeting is called off.
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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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== Recent Events ==
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-->{{Next Saturday}}
  
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[[2008-05-17 37 -122]] -- [[User:Zigdon|Dan]], Emad, and [[User:Xkcd|Randall]] reached the San Francisco coordinates in a successful test.
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* {{Coordinates list}}
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[[2008-02-24 45 -122]] -- [[User:NoTerminal|NoTerminal]] and [[User:Drache|Drache]] reached this point as part of an early test.
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* {{Expedition archive recent}}
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{{disclaimer}}
  
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== Next Upcoming Day ==
 
  
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[[2008-05-21]] -- The coordinates for Wednesday, May 21st will become available that morning at about 9:30 AM EDT, when the Dow Jones opening price is published.
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== All recent expeditions ==
  
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== Next Saturday ==
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[[Geohashing:Current events|List of all recent expeditions, including those without photos.]]
  
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[[2008-05-24]] -- The coordinates for Saturday, May 24th will become available on Friday about 9:30 AM EDT, when the Friday Dow Jones opening price is published.
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==Recent non-expeditions==
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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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== Related Projects ==
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[[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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[http://geocaching.com Geocaching: Global GPS cache hunt]
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<!--- Please... Add other heroic non-expeditions anywhere that is appropriate.--->
  
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[http://geodashing.gpsgames.org Geodashing: Monthly points, randomly created]
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<!--
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###### !!! POSTED !!! NO TRESPASSING !!! ##################################
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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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Click on the link "Click here to learn how to add your own expedition pictures." above the gallery for more information.
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###### !!! POSTED !!! NO TRESPASSING !!! ##################################
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//-->
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{{#css:
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  #firstHeading { display: none }
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}}

Latest revision as of 23:04, 15 February 2023

The Adventure Starts Here

Geohashing is a game of spontaneous adventure generation played around the world since 2008. You will explore random locations, meet fellow geohashers, brave the elements, unlock achievements, and then come back here to document your expedition.

Flag of Catalonia.png Català - Flag of Germany.png Deutsch - Flag of Spain.png Flag of Mexico.png Flag of Chile.png Español - Flag of France.png Français - Flag of Italy.png Italiano - Flag of Poland.png Polski - 800px-Flag of Sweden.png Svenska - other languages.

“
It was barely off the road halfway between a funeral and a baptism, so the attire just kind of happened.
 ”
find some more great geohashing quotations here.
—Trane, in #geohashing, about 2010-02-06_43_-91
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?

  • The most active graticule for 2024-04 was 52,7.
  • The Eclipse achievement has been added.
  • The N-in-a-row achievement has been added.
  • The renaming process for the MNIMB, MNB, and Virgin Graticule achievements/consolation prizes is ongoing.

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 Saturday meetups on 4 May 2024 are now available. The coordinates for the next Saturday meetups, scheduled for 11 May 2024, will be based on the Dow’s opening price published at 09:30 EDT (13:30 UTC) on Friday 10 May. 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.


All recent expeditions

List of all recent expeditions, including those without photos.

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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