During daylight saving time its time offset is. 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. The standard time followed in the Alaska Time Zone is minus nine hours from Greenwich Mean Time (UTC/GMT -9). 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. Nearly all international time is kept using Coordinated Universal Time (UTC). 2400 is associated with the date of the day ending, 0000 with the day just starting. The 24-hour clock (Z-time) begins at midnight (00Z) at this prime meridian. UTC is 8 hours ahead of Anchorage, Alaska time. Simply mouse over the colored hour-tiles and glance at the hours selected by the column. The above time zones are used during other parts of the year. Moving east across the International Date Line means subtracting 24 hours from the clock thereby reversing one day on the calendar. This time zone converter lets you visually and very quickly convert Anchorage, Alaska time to UTC and vice-versa. 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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