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BlogHow it works

IST to CET Converter

Choose a date and an India time to get the matching time in Paris, Berlin, Madrid, Rome or Amsterdam. The converter switches between CET and CEST on the right Sundays.

India Standard Time

ISTIndia Standard Time

CETCentral European Time

––:––

CET
Also called Central European Time · CEST · UTC+1
The standard time of Paris, Berlin, Madrid and Rome, UTC+1 in winter and UTC+2 (CEST) in summer. Take 4 h 30 min off an India time to get CET, or 3 h 30 min to get CEST.

IST to CET hour table

IST timeIST · CETIST · CEST
12:00 AM7:30 PM−1 previous day8:30 PM−1 previous day
1:00 AM8:30 PM−1 previous day9:30 PM−1 previous day
2:00 AM9:30 PM−1 previous day10:30 PM−1 previous day
3:00 AM10:30 PM−1 previous day11:30 PM−1 previous day
4:00 AM11:30 PM−1 previous day12:30 AM
5:00 AM12:30 AM1:30 AM
6:00 AM1:30 AM2:30 AM
7:00 AM2:30 AM3:30 AM
8:00 AM3:30 AM4:30 AM
9:00 AM4:30 AM5:30 AM
10:00 AM5:30 AM6:30 AM
11:00 AM6:30 AM7:30 AM
12:00 PM7:30 AM8:30 AM
1:00 PM8:30 AM9:30 AM
2:00 PM9:30 AM10:30 AM
3:00 PM10:30 AM11:30 AM
4:00 PM11:30 AM12:30 PM
5:00 PM12:30 PM1:30 PM
6:00 PM1:30 PM2:30 PM
7:00 PM2:30 PM3:30 PM
8:00 PM3:30 PM4:30 PM
9:00 PM4:30 PM5:30 PM
10:00 PM5:30 PM6:30 PM
11:00 PM6:30 PM7:30 PM
India hours on the left, Central European time for both seasons on the right. −1 marks a time that is still on the previous day in Europe.

When Europe changes its clocks

European Union countries move to summer time together at 01:00 UTC on the last Sunday in March and return to standard time at 01:00 UTC on the last Sunday in October, as set by Directive 2000/84/EC. Because the switch happens at the same instant everywhere, Paris and Berlin change at 2:00 AM local time on the same night.

India does not use daylight saving, so the gap is 4 h 30 min for about five months and 3 h 30 min for the other seven. The stretches below come from the IANA time zone database.

  1. Jan 1, 2026 – Mar 29, 2026IST UTC+5:30 · CET UTC+1Difference: −4:30 h
  2. Mar 29, 2026 – Oct 25, 2026IST UTC+5:30 · CEST UTC+2Difference: −3:30 h
  3. Oct 25, 2026 – Mar 28, 2027IST UTC+5:30 · CET UTC+1Difference: −4:30 h
  4. Mar 28, 2027 – Oct 31, 2027IST UTC+5:30 · CEST UTC+2Difference: −3:30 h
  5. Oct 31, 2027 – Jan 1, 2028IST UTC+5:30 · CET UTC+1Difference: −4:30 h

Offsets in 2026 – 2027, from the IANA time zone data in your browser's engine

A good overlap for office work

Few pairs of zones share as many working hours as India and continental Europe. When the European day starts at 9:00 AM CET, it is 1:30 PM in India, which leaves four or five hours of shared office time. In summer the overlap grows by an hour, since 9:00 AM CEST is 12:30 PM IST.

A late-morning slot in Europe is usually the safest choice for both sides. Check the live clocks for Paris, Berlin and Delhi, or use CET to IST when you start from the European side.

Do

  • Book shared calls between 9:00 AM and 12:00 PM CET, which is mid-afternoon in India.
  • Look again at weekly meetings after the last Sunday of March and October.

Avoid

  • Treating the UK as CET. London is an hour behind Paris; use IST to GMT or the live clock for London.
  • Writing CET for a July meeting. Europe is on CEST then, and a strict reader will be an hour off.

IST to CET questions

How many hours is India ahead of Central Europe?

India is 4 h 30 min ahead of CET in the European winter and 3 h 30 min ahead of CEST between the last Sunday of March and the last Sunday of October.

If it is 2:00 PM in India, what time is it in Berlin?

It is 9:30 AM in Berlin while Germany is on CET and 10:30 AM while it is on CEST.

Is London on CET?

No. The UK uses GMT in winter and BST in summer, one hour behind Paris and Berlin all year. Use the London clock or the IST to GMT page for the UK.

Which countries use Central European Time?

Most of continental western and central Europe, including France, Germany, Spain, Italy, the Netherlands, Belgium, Poland, Austria, Switzerland and Sweden.

What is the difference between CET and CEST?

CET is UTC+1, used in winter. CEST is UTC+2, the summer time. The same countries switch between them twice a year.