Question

What cosiderations have to be made whild while deciding the IDL?​

Answer 1

Explanation:

Following points are taken into consideration while drawing an IDL

1.Direction of travel

2.Current day and date

Accordingly while travelling from east to west of IDL a day is added.

FOR EXAMPLE:While travelling from America to Japan,if it is Thursday 25th December Friday 26th December in Japan.

While travelling from west to east of IDL day remains same .

FOR EXAMPLE:While travelling from Japan to America if it is Thursday 25th December,only should be considered.

Answer 2

Answer:

The crossing of the 180-degree prime meridian can result in the change of time zone. Thus some precautions have to be taken to avoid the confusions in the time zones.