Question

What consideration is made wle deciding iDL

Answer 1

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Answer 2

1) THE DAY AND DATE IS ALWAYS AHEAD BY ONE DAY IN THE WEST OF INTERNATIONAL DATE LINE THAN THE DAY AND DATE RUNNING IN THE EAST OF INTERNATIONAL DATE LINE.

2) ALTHOUGH THE IDL IS DRAWN WITH REFERENCE TO 180° MERIDIAN, INTERNATIONAL DATE LINE IS NOT STRAIGHT LINE LIKE 180° MERIDIAN.