Time Zones - Based on GMT

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Greenwich Mean Time is a World Standard consisting of 24 Time Zones starting at GMT 00 which,
to give you an idea of the location, passes through Greenwich, England (near London).

GMT time zones decrease from GMT-1 to GMT-12 heading West.
GMT time zones increase from GMT+1 to GMT+12 heading East.

The United States uses the Eastern, Central, Mountain, and Pacific
time zones which are GMT-5, GMT-6, GMT-7, and GMT-8, respectively.

Start with Greenwich at the center and go either way from there.

-12

-11

-10

-09

-08

-07

-06

-05

-04

-03

-02

-01

GMT 00

+01

+02

+03

+04

+05

+06

+07

+08

+09

+10

+11

+12

World GMT Table

This Table does not reflect Daylight Savings Time!

Zone	City or Area the Zone Crosses
GMT-12	Eniwetok Atoll, Marshall Islands
GMT-11	Apia, Samoa
GMT-10	Hawaii, USA
GMT-09	Alaska, USA
GMT-08	PST, Pacific Standard Time, USA
GMT-07	MST, Mountain Standard Time, USA
GMT-06	CST, Central Standard Time, USA
GMT-05	EST, Eastern Standard Time, USA
GMT-04	Atlantic, E. Canada
GMT-03	Brazilia, Brazil; Buenos Aires, Argentina
GMT-02	Mid-Atlantic
GMT-01	Cape Verde (off W. Africa)
GMT 00	Greenwich Mean Time, London
GMT+01	Berlin, Germany; Rome, Italy
GMT+02	Jerusalem, Israel; Cairo, Egypt
GMT+03	Moscow, Russia; Kuwait
GMT+04	Abu Dhabi, United Arab Emirates; Muscat, Oman
GMT+05	Islamabad, Karachi, Pakistan
GMT+06	Dacca, Bangladesh
GMT+07	Bangkok,Thailand; Jakarta, Indonesia
GMT+08	Hong Kong, Beijing, China
GMT+09	Tokyo, Osaka, Japan
GMT+10	Sydney, Melbourne, Australia; Guam
GMT+11	Magadan, Soloman Islands
GMT+12	Fiji Islands; Wellington, Auckland, New Zealand