CET to IST
CET is UTC+2 and IST is UTC+5:30 today — IST is 3½ hours ahead of CET. Abbreviations are for reading: this page resolves CET to Europe/Berlin and IST to Asia/Kolkata, which are the names that do not go ambiguous.
CET: Central European Time, anchored on Berlin. 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: CEST and IST.
| City | 00:00 in CET | 01:00 in CET | 02:00 in CET | 03:00 in CET | 04:00 in CET | 05:00 in CET | 06:00 in CET | 07:00 in CET | 08:00 in CET | 09:00 in CET | 10:00 in CET | 11:00 in CET | 12:00 in CET | 13:00 in CET | 14:00 in CET | 15:00 in CET | 16:00 in CET | 17:00 in CET | 18:00 in CET | 19:00 in CET | 20:00 in CET | 21:00 in CET | 22:00 in CET | 23:00 in CET |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CET—— | 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 CET and IST
Common questions
What is CET in IST?
IST is 3½ hours ahead of CET today: noon in CET is 15:30 in IST.
Is CET the same all year?
Central European Time, anchored on Berlin. An abbreviation describes an offset at a moment, not a place — the zone identifier Europe/Berlin is the unambiguous name.
When can CET and IST meet?
Working hours overlap for 5 hours a day: the shaded overlap is 13:00–18:00 in IST (09:00–14:00 your time).