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IST to CEST Converter

Updating current time…
IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST
Central European Summer Time
GMT +2
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:30 pm17:30 IST (UTC+5:30), Oct 8, 2026 = 2:00 pm14:00 CEST (UTC+2), Oct 8, 2026

IST is 3 hours and 30 minutes ahead of CEST.

IST and CEST examples

These examples always use IST (UTC+5:30) and CEST (UTC+2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

IST is 3 hours and 30 minutes ahead of CEST.

How the time difference changes

For most of the year, IST is 3 hours and 30 minutes ahead of CEST. At other times of the year, IST is 4 hours and 30 minutes ahead of CET.

For most of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 5:30 am to 1:30 pm in CEST. At other times of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 4:30 am to 12:30 pm in CET.For most of the year, working hours of 09:00 to 17:00 in IST correspond to 05:30 to 13:30 in CEST. At other times of the year, working hours of 09:00 to 17:00 in IST correspond to 04:30 to 12:30 in CET.

Compare IST time with CEST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 3 hours and 30 minutes ahead of Central European Summer Time.
5:30 pm17:30 in IST is 2:00 pm14:00 in CEST

IST to CEST call time
Best time for a conference call or a meeting is between 12:30pm-5pm12:30-17:00 in IST which corresponds to 9am-1:30pm09:00-13:30 in CEST

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
2:00 pm14:00 Central European Summer Time (CEST). Offset UTC +2:00 hours

5:30 pm17:30 IST / 2:00 pm14:00 CEST

ISTCEST
12:00am8:30pm
1:00am9:30pm
2:00am10:30pm
3:00am11:30pm
4:00am12:30am
5:00am1:30am
6:00am2:30am
7:00am3:30am
8:00am4:30am
9:00am5:30am
10:00am6:30am
11:00am7:30am
12:00pm8:30am
1:00pm9:30am
2:00pm10:30am
3:00pm11:30am
4:00pm12:30pm
5:00pm1:30pm
6:00pm2:30pm
7:00pm3:30pm
8:00pm4:30pm
9:00pm5:30pm
10:00pm6:30pm
11:00pm7:30pm
00:0020:30
01:0021:30
02:0022:30
03:0023:30
04:0000:30
05:0001:30
06:0002:30
07:0003:30
08:0004:30
09:0005:30
10:0006:30
11:0007:30
12:0008:30
13:0009:30
14:0010:30
15:0011:30
16:0012:30
17:0013:30
18:0014:30
19:0015:30
20:0016:30
21:0017:30
22:0018:30
23:0019:30

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Chennai, Kolkata.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

Central European Summer Time

Offset: CEST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Vatican City

Principal Cities: The largest city in the CEST time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Hamburg.

German: MESZ - Mitteleuropäische Sommerzeit

CEST Time Zone Geo Map
CEST timezone map

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central European Time (CET).

Daylight saving time clock moves forward for one hourStart: Central European Summer Time (CEST) started on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: Central European Summer Time (CEST) ends on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

CEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT