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How do you calculate from GMT?

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Anonymous

14y ago
Updated: 8/19/2019

If you are to the west of the Greenwich Meridian (as is the US, for example) You subtract an hour for each time zone. Eastern Standard Time in the US is 5 hours behind GMT. Be sure to adjust for daylight saving time. GMT is always standard time. If you are to the east of the Greenwich Meridian, you add an hour for each time zone.

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Wiki User

14y ago

What else can I help you with?