UTC to IST
UTC is UTC+0 and IST is UTC+5:30 today — IST is 5½ hours ahead of UTC. Abbreviations are for reading: this page resolves UTC to UTC and IST to Asia/Kolkata, which are the names that do not go ambiguous.
IST: India — Irish and Israel Standard Time share the letters.
The working day, side by side
Hours shaded in both rows are inside working hours on both sides. Current abbreviations: UTC+0 and IST.
| City | 00:00 in UTC | 01:00 in UTC | 02:00 in UTC | 03:00 in UTC | 04:00 in UTC | 05:00 in UTC | 06:00 in UTC | 07:00 in UTC | 08:00 in UTC | 09:00 in UTC | 10:00 in UTC | 11:00 in UTC | 12:00 in UTC | 13:00 in UTC | 14:00 in UTC | 15:00 in UTC | 16:00 in UTC | 17:00 in UTC | 18:00 in UTC | 19:00 in UTC | 20:00 in UTC | 21:00 in UTC | 22:00 in UTC | 23:00 in UTC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UTC—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| IST—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with UTC and IST
Common questions
What is UTC in IST?
IST is 5½ hours ahead of UTC today: noon in UTC is 17:30 in IST.
Is UTC the same all year?
UTC refers to the offset used by UTC. Where that zone observes daylight saving, the letters change with it, which is why this site stores the identifier and not the abbreviation.
When can UTC and IST meet?
Working hours overlap for 3 hours a day: the shaded overlap is 15:00–18:00 in IST (09:00–12:00 your time).