Multiple choice

What is the time difference between each longitude?

  1. 6 minutes

  2. 4 minutes

  3. 5 minutes

  4. 8 minutes

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Earth completes one full rotation (360°) in 24 hours. Dividing 24 hours by 360 degrees gives 4 minutes per degree of longitude. This is why time zones are roughly based on 15° segments (15 × 4 = 60 minutes), creating one-hour time differences between adjacent zones.