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Topic Longitude and Time
Asked 2 times across 2 UPSC exams over 7 years (2016–2023), peaking in 2016.
Key insights
- Most tested in CAPF — 1 of 2 PYQs
- Most asked in 2016
- Recurs across 2 years (2016–2023)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CAPF 2016 → CDS 2023
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2023
If it is 10:00 a.m. at Greenwich Mean Time (GMT), then what will be the time at 90° E longitude?
- A 5:00 a.m.
- B 4:00 a.m.
- C 3:00 p.m.
- D 4:00 p.m. ✓
✓ Correct answer: (D)
Geography › Maps & Location
CAPF2016
Perth located on 118° East Longitude will be celebrating New Year event on 1st of January 2017 at 6:00 AM. At that time, what would be the time at Los Angeles located on 110° West Longitude?
- A 9:12 PM of 1st January 2017
- B 2:48 PM of 31st December 2016 ✓
- C 11:40 PM of 31st December 2016
- D 5:28 AM of 1st January 2017
✓ Correct answer: (B)
Geography › Maps & Location
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