Multiple choice general knowledge

The Indian Standard Time (IST) is

  1. 6 Hrs + GMT

  2. 5 1/2 Hrs + GMT

  3. 5 1/2 Hrs - GMT

  4. 6 Hrs - GMT
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Indian Standard Time is calculated from 82.5°E longitude passing through Allahabad, which is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT+5:30). This single time zone applies throughout India despite the country's vast geographical extent. The positive sign indicates India is east of the Prime Meridian, so time must be added to GMT, not subtracted.

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