MeetingTimePro

IST to CET converter

India Standard Time to Central European Time. CET is 4 h 30 min behind of IST in January and 3 h 30 min behind in July.

From

IST · Kolkata GMT+5:30 · UTC+5:30

  • CET · BerlinUTC+2 · 3 h 30 min behind
    05:30Mon, Sep 28
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The gap between IST and CET

2026IST clocksCET clocksDifference
JanuaryGMT+5:30 UTC+5:30GMT+1 UTC+14 h 30 min behind
JulyGMT+5:30 UTC+5:30GMT+2 UTC+23 h 30 min behind

The gap changes on: Sun, March 29, 2026 (3 h 30 min behind); Sun, October 25, 2026 (4 h 30 min behind); Sun, March 28, 2027 (3 h 30 min behind); Sun, October 31, 2027 (4 h 30 min behind).

Convert the other way: CET to IST · Plan a meeting across more places

IST to CET time table

Every hour of the IST day and the matching CET time, for a mid-January and a mid-July date.

ISTCET · JanuaryCET · July
12:00 AM7:30 PM (−1 day)8:30 PM (−1 day)
1:00 AM8:30 PM (−1 day)9:30 PM (−1 day)
2:00 AM9:30 PM (−1 day)10:30 PM (−1 day)
3:00 AM10:30 PM (−1 day)11:30 PM (−1 day)
4:00 AM11:30 PM (−1 day)12:30 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

About these two clocks

IST — India Standard Time. Used in all of India — Mumbai, Delhi, Bengaluru. India does not use daylight saving time, so IST is UTC+5:30 all year.

CET — Central European Time. Used in Berlin, Paris, Madrid, Rome, Amsterdam. CET is the winter name; from late March to late October the same clocks show CEST (UTC+2).

All figures on this page come from the IANA time zone database (the same data your phone and laptop use), evaluated for the date in question. Abbreviations are ambiguous — “IST” also means Irish or Israel Standard Time, and “CST” is China Standard Time in Asia — so this page uses Asia/Kolkata and Europe/Berlin explicitly.

Questions people ask

How many hours ahead or behind is CET compared with IST?

CET is 4 h 30 min behind of IST in January and 3 h 30 min behind in July. The gap moves because daylight saving time starts and ends on different dates (or not at all) in the two places.

What is 9 am IST in CET?

On a January date, 9:00 am IST is 4:30 AM CET. In July it is 5:30 AM. Use the converter above for any other date.

Which cities use IST?

India Standard Time (IST) is used in all of India — Mumbai, Delhi, Bengaluru. India does not use daylight saving time, so IST is UTC+5:30 all year.

Which cities use CET?

Central European Time (CET) is used in Berlin, Paris, Madrid, Rome, Amsterdam. CET is the winter name; from late March to late October the same clocks show CEST (UTC+2).

When is a good time for a IST–CET call?

Look for the hours where both columns in the table fall between about 8 am and 6 pm. If none exist, the meeting planner on our home page shows the least-bad options and lets you share a link that converts for every attendee.

Related conversions

IST to ESTIST to UTCIST to CSTIST to PSTIST to GMTEST to CETUTC to CETIST to AESTIST to JSTGMT to CET