2023 · Q107
If it is 10:00 a.m. at Greenwich Mean Time (GMT), then what will be the time at 90o E longitude?
General KnowledgeGeography
- A5:00 a.m.
- B4:00 a.m.
- C3:00 p.m.
- D4:00 p.m.
Explanation
The Earth rotates 15° of longitude per hour. 90°E is 90/15 = 6 hours ahead of Greenwich Mean Time. 10:00 a.m. GMT + 6 hours = 4:00 p.m. at 90°E.