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Question
IDL brings coordination in which of the following?
Options
GPS system
Defence departments
Transportation schedules
Determining the hemisphere
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Solution
Transportation schedules
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RELATED QUESTIONS
Two boxes in different hemispheres are given in the following diagram. The IDL passes through both the boxes. In one box, the meridian, day and date is given. Find the day and date for the other box.

According to the international convention, at which meridian does the day and date change occurs?
Give geographical reason.
IDL is proving to be very useful in today’s times.
While crossing the IDL, what changes will you make?
Why doesn’t the IDL pass through land?
Why is the IDL considered with respect to the 180° meridian only?
180° line of longitude is ______.
Match the following
| A | B |
| 0° line of latitude | Pole |
| 0° line of longitude | International Date Line |
| 180° line of longitude | Greenwich |
| 90° line of latitude | Equator |
23 1/220° N and S 66 1/220° N and S lines of latitudes are called ______.
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Chennai - Singapore - Tokyo - Sydney - Santiago

