What is Time Zone. This is to account for the many time zones around the world to make it easier for people to know what time it is in various countries and to keep days uniform based on daylight hours. If you cross it when going west, then 24 hours are added to your time. It marks the two different days on Earth, where 24 hours is added or subtracted when one crosses the line. Current local time in UTC-12. The International Date Line is a line of longitude roughly located at 180 degrees. See a clock with the accurate time and find out where it is observed. The International Date Line (IDL), is an imaginary line that runs roughly along the 180° line of longitude, in the middle of the Pacific Ocean. MatsClock-gmt-1350 displays the time 12 hours less the Greenwich Mean Time or Coordinated Universal Time. They are often based on boundaries of countries or lines of longitude. As the Earth rotates, each day first begins and ends on the line. Similarly, for every 15° crossed when heading east, you earn an hour and for every 15° crossed when heading west, you lose one. It is the earliest (the clocks shows less than elsewhere) and latest time zone (noon and midnight happen after any other zone). Similarly if you cross the international date line from west to east, then you will go back to yesterday's date. A traveler going east over the line sets her calendar back one day, and going west adds on day. United States International Time Converter in 12 or 24 hour format. You will also notice that Hawaii, further to the east of American Samoa, is one hour later in If you cross the International Date Line on a journey towards the east, then 24 hours are subtracted from your time. International convention accepts the line as the location where one day is divided from the next, with the area in the Eastern Hemisphere one day ahead of the Western Hemisphere. A time zone is a region on Earth that uses a uniform time. Related Time Calculator | Date Calculator. UTC−12:00 is an identifier for a time offset from UTC of −12:00, sometimes referred to as the International Date Line West (IDLW). The International Date Line is located at 180 degrees east or west of the Greenwich Meridian and is an imaginary line of longitude that differentiates between two different days. The standard time of each zone is the mean astronomical time of one of 24 meridians, 15 degrees apart, beginning at the Greenwich, England, meridian and extending east and west around the globe to the International Date Line. The International Date Line is an imaginary line on the Earth's surface, with local deviations, along longitude 180° from Greenwich. Calculates the number of hours between different locations in the United States and International locations with daylight saving time … Yesterday 's date calendar back one day, and going west, then 24 hours are added to time... 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