Multiple choice

Indian Standard Time refers to the local time of which one of the following places in India?

  1. Allahabad

  2. Bhopal

  3. Delhi

  4. Lucknow

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

Indian Standard Time (IST) is calculated from the longitude of 82.5°E, which passes near Allahabad (now Prayagraj). The IST meridian is the reference longitude for the entire country. Allahabad is geographically closest to this longitude among the options.