🇪🇺
European Summer Time (CEST) — How CET/CEST Changes the IST Gap
Most of continental Europe — including Germany, France, Netherlands, Switzerland, Austria, Italy, Spain, and dozens more — observes European Summer Time. Clocks go forward on the last Sunday of March and back on the last Sunday of October. IST (UTC+5:30) is fixed, so the Paris/Frankfurt time gap narrows during CEST.
Standard time
CET (UTC+1)
Central European Time
⟷
DST / Summer time
CEST (UTC+2)
Central European Summer Time
IST gap (standard)
4h 30m behind IST
→
IST gap (DST)
3h 30m behind IST
Clock Change Schedule
Clocks spring forward 1 hour on the **last Sunday of March** at 2 AM (CET), becoming 3 AM (CEST). They fall back on the **last Sunday of October** at 3 AM (CEST), becoming 2 AM (CET). Note: the EU and UK change clocks on the same last-Sunday-of-March/October schedule.
2025
| Spring forward (CET to CEST) | 30 March 2025 |
| Fall back (CEST to CET) | 26 October 2025 |
2026
| Spring forward (CET to CEST) | 29 March 2026 |
| Fall back (CEST to CET) | 25 October 2026 |
Continental Europe Cities — IST Time Difference
How the IST gap changes for each Continental Europe city between standard and DST
| City | Time Zone | IST gap (CET / standard) | IST gap (CEST / summer) |
|---|---|---|---|
| Paris | CET/CEST | 4h 30m behind | 3h 30m behind |
| Frankfurt | CET/CEST | 4h 30m behind | 3h 30m behind |
| Amsterdam | CET/CEST | 4h 30m behind | 3h 30m behind |
| Zurich | CET/CEST | 4h 30m behind | 3h 30m behind |
| Madrid | CET/CEST | 4h 30m behind | 3h 30m behind |
| Stockholm | CET/CEST | 4h 30m behind | 3h 30m behind |
IST to CET/CEST Quick Reference
Both standard (CET) and summer (CEST) conversions at a glance
| IST (India) | CET (standard, winter) | CEST (summer) |
|---|---|---|
| 9:00 AM | 4:30 AM | 5:30 AM |
| 12:00 PM | 7:30 AM | 8:30 AM |
| 2:00 PM | 9:30 AM | 10:30 AM |
| 5:00 PM | 12:30 PM | 1:30 PM |
| 8:00 PM | 3:30 PM | 4:30 PM |
| 11:00 PM | 6:30 PM | 7:30 PM |
Current Continental Europe Time vs IST
India (IST)
--:--:--
loading…
Continental Europe (CET/CEST)
--:--:--
Frequently Asked Questions
What is the IST to CET time difference?
IST (UTC+5:30) is 4 hours 30 minutes ahead of CET (UTC+1). When it is 12:00 PM IST, it is 7:30 AM in Paris or Frankfurt. CET applies from late October to late March (European winter).
What is the IST to CEST time difference?
IST is 3 hours 30 minutes ahead of CEST (UTC+2). When it is 12:00 PM IST, it is 8:30 AM CEST in Paris. CEST applies from the last Sunday of March to the last Sunday of October — approximately 7 months.
Will Europe abolish summer time?
The EU Parliament voted in 2019 to end mandatory seasonal clock changes, allowing each member state to choose a permanent time. However, as of 2025, no change has been enacted. All EU countries continue to change clocks on the same schedule (last Sunday of March / October).
Does Turkey observe DST?
No. Turkey permanently adopted UTC+3 (TRT) in 2016 and no longer observes DST. Turkey is 2 hours 30 minutes behind IST year-round.
What European countries do NOT observe summer time?
Iceland (GMT year-round, like the UK but without BST), Belarus (UTC+3 year-round), and Russia (abolished DST in 2014). Most Balkan and Eastern European countries still follow the EU schedule.
Is CEST the same as BST?
No. BST is UTC+1 (same as CET), while CEST is UTC+2. When the UK is on BST and Europe is on CEST, there is a 1-hour gap between London and Paris/Frankfurt — matching the gap in winter. The UK and EU stay exactly 1 hour apart year-round.