What is a time zone?

Back to: PRIMARY SEVEN P7 SOCIAL STUDIES SST TOPICAL QUESTION AND ANSWERS

Qn. What is a time zone?
✓ A time zone is an area with uniform standard time in a day.
Qn. Which line of longitude helps to determine time?
✓ Greenwich Meridian
Qn. How many tines zones are in the world?
Twenty four time zones.
Qn. What do we call the time zone of East African countries?
✓ East Africa Time.
Qn. Why is Uganda and Rwanda have different time yet they are found in the same geographical region?
✓ They have different time zones.
Note: When one moves East or West of the Greenwich Meridian, time changes by 4 minutes every after 10.
Qn. When one moves East of the Greenwich Meridian, time “increases “while moving West of the Greenwich Meridian time “decrease”
Example

1. It is 10:00a.m at the GMT. What time will it be if one moves 300E
   = 30 2
   15 1 = 2 hours
   Since movement is to the East. We add 2 hours to the original time.
   10 : 00 am

• 2 : 00 hrs
  12 : 00 Noon