CET to IST
On Oct 23, 2026, India Standard Time is 3 hours 30 minutes ahead of Central European Time: 9:00 AM CEST is 12:30 PM IST. The gap changes during the year because of daylight saving time; the dates are below.
IST vs CET over the next 12 months
| Period | IST is | Example |
|---|---|---|
| Oct 23, 2026 to Oct 25, 2026 | 3 hours 30 minutes ahead | 9:00 AM CEST = 12:30 PM IST |
| Oct 25, 2026 to Mar 28, 2027 | 4 hours 30 minutes ahead | 9:00 AM CET = 1:30 PM IST |
| Mar 28, 2027 onwards | 3 hours 30 minutes ahead | 9:00 AM CEST = 12:30 PM IST |
CET to IST conversion table
Every hour of a weekday around Oct 23, 2026, in both zones.
| Central European Time | India Standard Time |
|---|---|
| 12:00 AM | 4:30 AM |
| 1:00 AM | 5:30 AM |
| 2:00 AM | 6:30 AM |
| 3:00 AM | 7:30 AM |
| 4:00 AM | 8:30 AM |
| 5:00 AM | 9:30 AM |
| 6:00 AM | 10:30 AM |
| 7:00 AM | 11:30 AM |
| 8:00 AM | 12:30 PM |
| 9:00 AM | 1:30 PM |
| 10:00 AM | 2:30 PM |
| 11:00 AM | 3:30 PM |
| 12:00 PM | 4:30 PM |
| 1:00 PM | 5:30 PM |
| 2:00 PM | 6:30 PM |
| 3:00 PM | 7:30 PM |
| 4:00 PM | 8:30 PM |
| 5:00 PM | 9:30 PM |
| 6:00 PM | 10:30 PM |
| 7:00 PM | 11:30 PM |
| 8:00 PM | 12:30 AM (next day) |
| 9:00 PM | 1:30 AM (next day) |
| 10:00 PM | 2:30 AM (next day) |
| 11:00 PM | 3:30 AM (next day) |
Best time for a meeting
Normal 9-to-5 working hours overlap for 3 hours 30 minutes on a weekday: 9:00 AM–12:30 PM CET, which is 1:30 PM–5:00 PM IST.
Comparing more than two places? The meeting planner lines up working hours for up to six cities.
Daylight saving time
Central European Time (CET/CEST)
- Oct 25, 2026: clocks go back 1 hour at 3:00 AM (UTC+2 → UTC+1)
- Mar 28, 2027: clocks go forward 1 hour at 2:00 AM (UTC+1 → UTC+2)
Where these clocks are used
- Central European Time (CET/CEST): Paris, Berlin, Madrid, Rome, Amsterdam, Stockholm. IANA zone
Europe/Paris. - India Standard Time (IST): all of India: Mumbai, Delhi, Bengaluru, Chennai. IANA zone
Asia/Kolkata.
Questions
What time is it in IST when it is 9 AM CET?
On Oct 23, 2026, 9:00 AM CEST is 12:30 PM IST. On other dates the answer can shift by an hour because of daylight saving time; the table of periods on this page gives each one.
How many hours ahead of CET is IST?
It depends on the date. Oct 23, 2026 to Oct 25, 2026: IST is 3 hours 30 minutes ahead. Oct 25, 2026 to Mar 28, 2027: IST is 4 hours 30 minutes ahead. Mar 28, 2027 onwards: IST is 3 hours 30 minutes ahead.
Do CET and IST observe daylight saving time?
Central European Time switches to CEST (UTC+2) in summer and back to CET (UTC+1) in winter. India Standard Time stays on UTC+5:30 all year.
What is the best time for a meeting between CET and IST?
Normal 9-to-5 working hours overlap for 3 hours 30 minutes on a weekday: 9:00 AM–12:30 PM CET, which is 1:30 PM–5:00 PM IST.
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Related conversions
- IST to CET (reverse)
- EST to IST
- CST to IST
- MST to IST
- PST to IST
- UTC to IST
- GMT to IST
- CET to EST
- CET to CST
- CET to MST
- CET to PST
- CET to UTC
- All time zones
Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.