Eastern Time

Eastern Time (ET), as used on this wiki, refers to the US Eastern Time Zone, which is defined as:

• UTC -5 hours during Standard Time — Eastern Standard Time (EST)
• UTC -4 hours during Daylight Saving Time — Eastern Daylight Time (EDT)

Daylight Saving Time is observed in the US Eastern Time Zone:

• Begins at 02:00 EST on the second Sunday in March (becomes 03:00 EDT)
• Ends at 02:00 EDT on the first Sunday in November (becomes 01:00 EST)

Currently, EST is in use.

Effect on Geohashing

The New York Stock Exchange, which publishes the opening value of the Dow Jones Industrial Average used in the algorithm, opens at 09:30 ET on weekdays, except some federal holidays. This is 13:30 UTC when the US is in Daylight Saving Time, and 14:30 UTC otherwise.

See also

• Wikipedia article on the US Eastern Time Zone
• Coordinated Universal Time