Question

what considerations have been made while deciding the IDL ? ​

Answer 1

Explanation:

This has to be considered. Current day and date- When we travelling across the meridian, the day and the date changes. While travelling from east to west, one day has to add to the day of commencing the journey. But while travelling from west to east, the same day is considered upon arrival.

Answer 2

This has to be considered while deciding the IDL :

Current day and date- When we travelling across the meridian, the day and the date changes. While travelling from east to west, one day has to add to the day of commencing the journey. But while travelling from west to east, the same day is considered upon arrival.