CEST to IST
Converting a fixed time. Europe/Paris → Asia/Kolkata
Clocks go back 1 hour on Sunday, 25th October 2026, at 2:59 am local time (2:00 am after the change).
Clocks here do not change — this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| CEST | IST | 24h | Good to call? |
|---|---|---|---|
| 12am | 3am | 00:00 → 03:30 | asleep in IST |
| 1am | 4am | 01:00 → 04:30 | asleep in IST |
| 2am | 5am | 02:00 → 05:30 | asleep in IST |
| 3am | 6am | 03:00 → 06:30 | asleep in IST |
| 4am | 7am | 04:00 → 07:30 | asleep in CEST |
| 5am | 8am | 05:00 → 08:30 | asleep in CEST |
| 6am | 9am | 06:00 → 09:30 | asleep in CEST |
| 7am | 10am | 07:00 → 10:30 | awake, not at work |
| 8am | 11am | 08:00 → 11:30 | awake, not at work |
| 9am | 12pm | 09:00 → 12:30 | both at work |
| 10am now | 1pm | 10:00 → 13:30 | both at work |
| 11am | 2pm | 11:00 → 14:30 | both at work |
| 12pm | 3pm | 12:00 → 15:30 | both at work |
| 1pm | 4pm | 13:00 → 16:30 | both at work |
| 2pm | 5pm | 14:00 → 17:30 | awake, not at work |
| 3pm | 6pm | 15:00 → 18:30 | awake, not at work |
| 4pm | 7pm | 16:00 → 19:30 | awake, not at work |
| 5pm | 8pm | 17:00 → 20:30 | awake, not at work |
| 6pm | 9pm | 18:00 → 21:30 | awake, not at work |
| 7pm | 10pm | 19:00 → 22:30 | asleep in IST |
| 8pm | 11pm | 20:00 → 23:30 | asleep in IST |
| 9pm | 12am Fri | 21:00 → 00:30 | asleep in IST |
| 10pm | 1am Fri | 22:00 → 01:30 | asleep in IST |
| 11pm | 2am Fri | 23:00 → 02:30 | asleep in IST |
Call times
Both places are at work between 9am and 14:00 in Paris — 12pm to 4pm at the other end.
3am
4am
5am
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11am
12pm
1pm
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9pm
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Questions people ask
What time is it in IST when it is 12:00 pm in CEST?
3:30 pm in IST the same day.
How many hours ahead is IST of CEST?
IST is 3 hours 30 minutes ahead CEST. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between CEST and IST?
Both places are at work between 9am and 14:00 in Paris — 12pm to 4pm at the other end.
When does the difference between CEST and IST change?
CEST: Clocks go back 1 hour on Sunday, 25th October 2026, at 2:59 am local time (2:00 am after the change). IST does not change its clocks, so the gap shifts by an hour on that date.