Eastern Daylight Time and Central Daylight Time are exactly 1 hour apart. The terms refer to US Time Zones which are adjacent.
Boston, New York, Washington DC, and Atlanta are in the Eastern Time Zone.
Chicago, St Louis, and Dallas are in the Central Time Zone.
Eastern daylight time is three hours ahead of the pacific daylight time.
It is 4 hours.
Eastern Daylight Time UTC - 4 hours
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Korea Standard Time is...13 hours ahead of American Eastern Daylight Saving Time14 hours ahead of American Eastern Standard Time16 hours ahead of Pacific Daylight Saving Time17 hours ahead of Pacific Standard Time
Romania is in the Eastern European Time Zone (EET), which is UTC+2 hours. During daylight saving time (from the last Sunday in March to the last Sunday in October), Romania observes Eastern European Summer Time (EEST), which is UTC+3 hours.
Eastern Standard Time is UTC-5 hours, which means it is five hours behind Universal Time Coordinated. Eastern Daylight Time is UTC-4 hours, therefore four hours behind UTC.
Thailand (UTC + 7 hours) is 11 hours ahead of Eastern Daylight Saving Time (UTC - 4 hours), 12 hours ahead of Eastern Standard Time and Central Daylight Saving Time (UTC - 5 hours), 13 hours ahead of Central Standard Time and Mountain Daylight Saving Time (UTC - 6 hours), 14 hours ahead of Mountain Standard Time and Pacific Daylight Saving Time (UTC - 7 hours), 15 hours ahead of Pacific Standard Time and Alaska Daylight Saving Time (UTC - 8 hours), 16 hours ahead of Alaska Standard Time and Hawaii-Aleutian Daylight Saving Time (UTC - 9 hours), and 17 hours ahead of Hawaii-Aleutian Standard Time (UTC - 10 hours).
Eastern Standard Time (UTC - 5 hours) / Eastern Daylight Saving Time (UTC - 4 hours)
Eastern time is 4 hours behind UK time during Daylight Saving Time. Eastern time is 5 hours behind UK time during Standard Time.... :).
Arizona does not use "summer time" or "daylight saving's time". There are two hours difference between AZ time and Eastern Standard Time (EST); there are three hours difference between AZ time ad Eastern Daylight Time (EDT).
Sunrise and sunset is further apart during the longer daylight hours of summer.