CEST to IST Time Converter

Convert Central European Summer Time (CEST) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 3h 30m ahead.

Paris · Central European Summer Time
20:30:02
Tuesday, May 5, 2026
GMT+2 · UTC+02:00
Mumbai · India Standard Time
00:00:02
Wednesday, May 6, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: CEST (Paris)
To: IST (Mumbai)
--:--

Daylight Saving status right now

CEST (Central European Summer Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+02:00 → UTC+01:00
IST (India Standard Time)
Observes DST
No

Heads up: CEST observes DST while IST does not. The 3.5-hour difference shown above will shift by one hour when CEST starts or ends DST.

When can CEST and IST meet?

5 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–13:00 CEST (12:30–16:30 IST).

Hour-by-hour CEST to IST conversion table

CEST time (Paris)IST time (Mumbai)Status
00:00 Tue03:30 TueOff-hours both sides
01:00 Tue04:30 TueOff-hours both sides
02:00 Tue05:30 TueOff-hours both sides
03:00 Tue06:30 TueOff-hours both sides
04:00 Tue07:30 TueOff-hours both sides
05:00 Tue08:30 TueOff-hours both sides
06:00 Tue09:30 TueIST working
07:00 Tue10:30 TueIST working
08:00 Tue11:30 TueIST working
09:00 Tue12:30 TueBoth at work
10:00 Tue13:30 TueBoth at work
11:00 Tue14:30 TueBoth at work
12:00 Tue15:30 TueBoth at work
13:00 Tue16:30 TueBoth at work
14:00 Tue17:30 TueCEST working
15:00 Tue18:30 TueCEST working
16:00 Tue19:30 TueCEST working
17:00 Tue20:30 TueOff-hours both sides
18:00 Tue21:30 TueOff-hours both sides
19:00 Tue22:30 TueOff-hours both sides
20:00 Tue23:30 TueOff-hours both sides
21:00 Tue00:30 WedOff-hours both sides
22:00 Tue01:30 WedOff-hours both sides
23:00 Tue02:30 WedOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Central European Summer Time (CEST)
IANA identifier
Europe/Paris
Current UTC offset
UTC+02:00
Current abbreviation
GMT+2
Major cities in this zone
ParisLyonMarseille
India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata

Sun today in Paris and Mumbai

Paris
Sunrise
06:25
Sunset
21:11
Solar noon
13:48
Daylight
14h 46m
Mumbai
Sunrise
06:09
Sunset
19:03
Solar noon
12:36
Daylight
12h 53m

Related converters

IST to CEST (reverse)CEST to ESTCEST to PSTCEST to GMTCEST to UTCCEST to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in Paris or time in Mumbai.

Frequently asked questions

What is the time difference between CEST and IST right now?+
IST (India Standard Time) is currently 3h 30m ahead CEST (Central European Summer Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does CEST or IST observe daylight saving time?+
CEST: observes daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between CEST and IST?+
The strongest overlap is 09:00–13:00 CEST (12:30–16:30 IST), giving 5 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in Paris?+
When it is 12:00 Tue in Paris (CEST), it is 15:30 Tue in Mumbai (IST).
Which IANA time zone identifiers are used for CEST and IST?+
CEST maps to "Europe/Paris" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.