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How many time zones are there in the world if each zone is 15° apart?

Practice Questions

Q1
How many time zones are there in the world if each zone is 15° apart?
  1. 12
  2. 24
  3. 36
  4. 48

Questions & Step-by-Step Solutions

How many time zones are there in the world if each zone is 15° apart?
  • Step 1: Understand that the Earth is a sphere and can be divided into degrees of longitude.
  • Step 2: Know that the total degrees of longitude around the Earth is 360°.
  • Step 3: Recognize that each time zone is 15° apart.
  • Step 4: To find the number of time zones, divide the total degrees (360°) by the degrees per time zone (15°).
  • Step 5: Perform the calculation: 360° divided by 15° equals 24.
  • Step 6: Conclude that there are 24 time zones in the world.
  • Time Zones – Understanding that the Earth is divided into 360 degrees of longitude and that each time zone represents a 15-degree segment.
  • Division and Calculation – Applying basic division to determine the number of time zones based on the degrees of longitude.
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