North American Eastern Time Zone

"Eastern Time Zone" redirects here. For other uses, see the disambiguation pages above.The Eastern Time Zone (ET) of the Western Hemisphere falls mostly along the east coast of Northern America and the west coast of South America. Its time offset is UTC-5 during standard time and UTC-4 during daylight saving time. The clock time in this zone is based on the mean solar time of the 75th degree meridian west of the Greenwich Observatory.
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