Time zone converter
CET to IST
India Standard Time is 4 hours 30 min ahead of Central European Time in January, when the clocks read CET (UTC+1) and IST (UTC+5:30), and 3 hours 30 min ahead in July, when they read CEST (UTC+2) and IST (UTC+5:30).
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CET to IST, hour by hour
Each hour of the day in Central European Time, and the time in India Standard Time at that moment.
| CET / CEST | IST, January | IST, July |
|---|---|---|
| 12:00 am | 4:30 am | 3:30 am |
| 1:00 am | 5:30 am | 4:30 am |
| 2:00 am | 6:30 am | 5:30 am |
| 3:00 am | 7:30 am | 6:30 am |
| 4:00 am | 8:30 am | 7:30 am |
| 5:00 am | 9:30 am | 8:30 am |
| 6:00 am | 10:30 am | 9:30 am |
| 7:00 am | 11:30 am | 10:30 am |
| 8:00 am | 12:30 pm | 11:30 am |
| 9:00 am | 1:30 pm | 12:30 pm |
| 10:00 am | 2:30 pm | 1:30 pm |
| 11:00 am | 3:30 pm | 2:30 pm |
| 12:00 pm | 4:30 pm | 3:30 pm |
| 1:00 pm | 5:30 pm | 4:30 pm |
| 2:00 pm | 6:30 pm | 5:30 pm |
| 3:00 pm | 7:30 pm | 6:30 pm |
| 4:00 pm | 8:30 pm | 7:30 pm |
| 5:00 pm | 9:30 pm | 8:30 pm |
| 6:00 pm | 10:30 pm | 9:30 pm |
| 7:00 pm | 11:30 pm | 10:30 pm |
| 8:00 pm | 12:30 am (next day) | 11:30 pm |
| 9:00 pm | 1:30 am (next day) | 12:30 am (next day) |
| 10:00 pm | 2:30 am (next day) | 1:30 am (next day) |
| 11:00 pm | 3:30 am (next day) | 2:30 am (next day) |
When the gap changes in 2026 and 2027
| From | To | Difference |
|---|---|---|
| Thu 1 Jan 2026 | Sat 28 Mar 2026 | India Standard Time is 4 hours 30 min ahead of Central European Time |
| Sun 29 Mar 2026 | Sat 24 Oct 2026 | India Standard Time is 3 hours 30 min ahead of Central European Time |
| Sun 25 Oct 2026 | Sat 27 Mar 2027 | India Standard Time is 4 hours 30 min ahead of Central European Time |
| Sun 28 Mar 2027 | Sat 30 Oct 2027 | India Standard Time is 3 hours 30 min ahead of Central European Time |
| Sun 31 Oct 2027 | and after | India Standard Time is 4 hours 30 min ahead of Central European Time |
Working hours overlap
When 9 am – 5 pm on both sides meet, in each side's own time.
| January | July | |
|---|---|---|
| Central European Time | 9:00 am – 12:30 pm (3 hours 30 min) | 9:00 am – 1:30 pm (4 hours 30 min) |
| India Standard Time | 1:30 pm – 5:00 pm (3 hours 30 min) | 12:30 pm – 5:00 pm (4 hours 30 min) |
About these abbreviations
- CET: Central European Time (Paris, Berlin, Rome), CEST in summer.
- IST: India Standard Time, UTC+5:30 all year. Ireland and Israel also use the letters IST for their own zones.
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