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Q.

What is an International date line?

Tags: international date line
Asked by kavita, 22 Feb '08 12:09 pm
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Answers (3)

1.

The International Date Line ( IDL ) is an imaginary line drawn with reference to the 180-degree meridian. Travelers crossing 180-degree meridian are required to adjust the day and date. Those traveling eastward- from the continent of Asia or Australia towards the continents of America, have to assume the previous day and date. As against this, travelers moving westward from the continents of America towards Asia or Australia, have to assume the next day and date.
Answered by bernard, 22 Feb '08 12:10 pm

 
  
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2.

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Answered by jyotish, 22 Feb '08 12:10 pm

 
  
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3.

The International Date Line (IDL) is an imaginary line on the surface of the Earth opposite the Prime Meridian which offsets the date as one travels east or west across it. Roughly along 180 longitude, with diversions to pass around some territories and island groups, it mostly corresponds to the time zone boundary separating +12 and −12 hours GMT (UT1). Crossing the IDL traveling east results in a day or 24 hours being subtracted, and crossing west results in a day being added.

However, for two hours every dayCoordinated Universal Time (UTC) 10:0011:59, there are actually three different days observed at the same time. For example, at UTC time Thursday 10:15, it is Wednesday 23:15 in Samoa, which is eleven hours behind UTC, and it is Friday 00:15 in Kiritimati, which is fourteen hours ahead of UTC. For the first hour (UTC 10:0010:59), this phenomenon affects inhabited territories whereas during the second hour (UTC 11:0011:59) it only affects an uninhabited maritime time ...more
Answered by Jack Johnson, 29 Mar '08 03:05 pm

 
  
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