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
01:17:26
Monday, May 11, 2026
GMT+2 · UTC+02:00
Mumbai · India Standard Time
04:47:26
Monday, May 11, 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?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
CEST
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Paris (CEST). Each row shows the local working-hours state in that zone for the same moment in time.
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 Mon03:30 MonOff-hours both sides
01:00 Mon04:30 MonOff-hours both sides
02:00 Mon05:30 MonOff-hours both sides
03:00 Mon06:30 MonOff-hours both sides
04:00 Mon07:30 MonOff-hours both sides
05:00 Mon08:30 MonOff-hours both sides
06:00 Mon09:30 MonIST working
07:00 Mon10:30 MonIST working
08:00 Mon11:30 MonIST working
09:00 Mon12:30 MonBoth at work
10:00 Mon13:30 MonBoth at work
11:00 Mon14:30 MonBoth at work
12:00 Mon15:30 MonBoth at work
13:00 Mon16:30 MonBoth at work
14:00 Mon17:30 MonCEST working
15:00 Mon18:30 MonCEST working
16:00 Mon19:30 MonCEST working
17:00 Mon20:30 MonOff-hours both sides
18:00 Mon21:30 MonOff-hours both sides
19:00 Mon22:30 MonOff-hours both sides
20:00 Mon23:30 MonOff-hours both sides
21:00 Mon00:30 TueOff-hours both sides
22:00 Mon01:30 TueOff-hours both sides
23:00 Mon02:30 TueOff-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
06:17
Sunset
21:19
Solar noon
13:48
Daylight
15h 1m
Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 58m

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 Mon in Paris (CEST), it is 15:30 Mon 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.
Is Paris ahead of or behind Mumbai?+
Whether Paris (CEST) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 3h 30m ahead CEST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for CEST and IST?+
CEST is UTC+02:00 (GMT+2) and IST is UTC+05:30 (GMT+5:30). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both CEST and IST?+
Yes. There are 5 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–13:00 CEST.