Territories observing the time zone are primarily in North and Central America. CT is not static but switches between CDT and CST. Offset UTC -5:00 hoursħ:30 pm 19:30 UTC / 3:30 pm 15:30 EDT / 1:00 am 01:00 IST / 12:30 pm 12:30 PDT / 2:30 pm 14:30 CDT UTCĬentral Time (PT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. Offset UTC -7:00 hoursĢ:30 pm 14:30 Central Daylight Time (CDT). Offset UTC +5:30 hoursġ2:30 pm 12:30 Pacific Daylight Time (PDT). Offset UTC -4:00 hoursġ:00 am 01:00 India Standard Time (IST). Offset UTC 0:00 hoursģ:30 pm 15:30 Eastern Daylight Time (EDT). Regardless which National Weather Service weather map, radar, or satellite picture you view, be sure to first check the time of the image as it will be reported in 24-hour "Z" time.Universal Time Coordinated is 4 hours ahead of Eastern Daylight Time and 5 hours and 30 minutes behind India Standard Time and 7 hours ahead of Pacific Daylight Time and 5 hours ahead of Central Daylight Timeħ:30 pm 19:30 in UTC is 3:30 pm 15:30 in EDT and is 1:00 am 01:00 in IST and is 12:30 pm 12:30 in PDT and is 2:30 pm 14:30 in CDTīest time for a conference call or a meeting is between 1pm-6pm in UTC which corresponds to 8am-1pm in ESTīest time for a conference call or a meeting is between 8am-12:30pm in UTC which corresponds to 1:30pm-6pm in ISTīest time for a conference call or a meeting is between 4pm-6pm in UTC which corresponds to 8am-10am in PSTīest time for a conference call or a meeting is between 2pm-6pm in UTC which corresponds to 8am-12pm in CTħ:30 pm 19:30 Universal Time Coordinated (UTC). The following tables show z-times for each time zone in the United States and U.S. For example, 00Z in the Central STANDARD Time is at 6:00 p.m. Z-time does not change with the change for daylight saving time but the local time will change. 00Z for the United States begins in the evening local time. The 24-hour clock (Z-time) begins at midnight (00Z) at this prime meridian. Moving east across the International Date Line means subtracting 24 hours from the clock thereby reversing one day on the calendar. This means you advance the clock 24 hours in essence you advance one day on the calendar. Moving west across the International Date Line one moves from the -12 UTC time zone to the +12 UTC time zone. At the meeting of the -12 and +12 time zones is the International Date Line. ![]() ![]() Time zone offsets are identified as -12 UTC through 0 to +12 UTC with the minus values signifying time "before" or ahead of prime meridian (which is the Western Hemisphere). However, today the individual zone boundaries are no longer straight, nor are they always continuous, as they have been modified for convenience and to satisfy the desires of sovereign nations. With the 360° daily rotation of the earth, the sun is moving 15° each hour which leads to the formation of 24 time zones. Today, one can visit the Royal Observatory and straddle this 0° meridian with one foot in each hemisphere. This 0° meridian divides the Eastern from the Western Hemisphere. This was for both for longitude and timekeeping. settled the matter where it was agreed to establish a single "prime" meridian (0° longitude), passing through Greenwich. In 1884, a conference in Washington, D.C.
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