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About IST
India Standard Time (IST) is the official time used across India. The time zone is UTC+5:30, which means India is 5 hours and 30 minutes ahead of Coordinated Universal Time (UTC).
IST stands for India Standard Time. It is used throughout India, from major cities like New Delhi, Mumbai, Bengaluru, Chennai, Kolkata, Hyderabad, Ahmedabad, and Pune to smaller towns and villages.
Unlike many countries, India follows a single time zone nationwide.
| Time Zone | IST |
| UTC Offse | UTC+5:30 |
| IANA Time Zone | Asia/Kolkata |
| Daylight Saving Time | Not Observed |
| Time Zone | Difference from IST |
|---|---|
| UTC | +5h 30m |
| GMT | +5h 30m |
| ET | +10h 30m / +9h 30m |
| PT | +13h 30m / +12h 30m |
| JST | -3h 30m |
| GST | +1h 30m |