

The 4 time zones of the contiguous USA and the 2 timezones (Alaska, Hawaii) beyond the contiguous USA. Other US time zones follow the same format and moving westward, each time zone adds an additional 1-hour offset. Eastern Daylight Time (EDT), which is used during spring/summer and is four hours behind UTC.Eastern Standard Time (EST), which is used during autumn/winter and is five hours behind UTC.The time zone on the east coast is called Eastern Time (ET), divided into: Berlin, Germany time is 1 hours ahead of UTC. Simply mouse over the colored hour-tiles and glance at the hours selected by the column. two time zones beyond the contiguous USA For example: Eastern Standard Time GMT-5, add 1 hour: Eastern Daylight Time GMT-4. This time zone converter lets you visually and very quickly convert UTC to EDT and vice-versa.The United States observes 9 time zones as below: Primarily, UTC is based on mean solar time at the prime meridian running through Greenwich, UK.

The offset is expressed as either UTC- or UTC+ and the number of hours and minutes. This time zone converter lets you visually and very quickly convert UTC to EDT and vice-versa. All time zones are defined by their offset from UTC. Like all time zones worldwide, the time zones for the USA are based on UTC (Coordinated Universal Time, formerly GMT, Greenwich Mean Time - originally based on London, UK). UTC Coordinated Universal Timeis the 24-hour time standard used as a basis for civil time today.
