IST to CEST Converter
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 11:30am-6pm in IST which corresponds to 8am-2:30pm 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
IST | CEST |
---|---|
12am (midnight) | 8:30 pm |
1am | 9:30 pm |
2am | 10:30 pm |
3am | 11:30 pm |
4am | 12:30 am |
5am | 1:30 am |
6am | 2:30 am |
7am | 3:30 am |
8am | 4:30 am |
9am | 5:30 am |
10am | 6:30 am |
11am | 7:30 am |
12pm (noon) | 8:30 am |
1pm | 9:30 am |
2pm | 10:30 am |
3pm | 11:30 am |
4pm | 12:30 pm |
5pm | 1:30 pm |
6pm | 2:30 pm |
7pm | 3:30 pm |
8pm | 4:30 pm |
9pm | 5:30 pm |
10pm | 6:30 pm |
11pm | 7:30 pm |
0:00 | 20:30 |
1:00 | 21:30 |
2:00 | 22:30 |
3:00 | 23:30 |
4:00 | 0:30 |
5:00 | 1:30 |
6:00 | 2:30 |
7:00 | 3:30 |
8:00 | 4:30 |
9:00 | 5:30 |
10:00 | 6:30 |
11:00 | 7:30 |
12:00 | 8:30 |
13:00 | 9:30 |
14:00 | 10:30 |
15:00 | 11:30 |
16:00 | 12:30 |
17:00 | 13:30 |
18:00 | 14:30 |
19:00 | 15:30 |
20:00 | 16:30 |
21:00 | 17:30 |
22:00 | 18:30 |
23:00 | 19:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- 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: It is used in following countries: 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 timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Budapest
German: MESZ - Mitteleuropäische Sommerzeit

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central European Time (CET).
Start: Central European Summer Time (CEST) started on Sunday, March 30, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 3:00 am. Daylight saving starts annually the on last Sunday of March
End: Central European Summer Time (CEST) ends on Sunday, October 26, 2025 at 3:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 2:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
CEST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.
- Bravo - Military abbreviation for CEST
- B - short form of 'Bravo'
- 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
- 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