Multiple choice general knowledge

The Indian Standard Time (IST) is

  1. 5 1/2 Hrs + GMT

  2. 5 1/2 Hrs - GMT

  3. 6 Hrs + GMT

  4. 6 Hrs - GMT

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

IST is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT). When it is noon in London, it is 5:30 PM in India. This offset is due to India's central longitude being 82.5°E, which is 5.5 hours ahead of the Prime Meridian.