Istanbul, Turkey to IST to CEST
Compare Istanbul time with IST and CEST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
TRT (Turkey Time) is 2 hours and 30 minutes behind India Standard Time and 2 hours ahead of Central European Time
3:00 pm15:00 in Istanbul, Turkey is 5:30 pm17:30 in IST and is 1:00 pm13:00 in CET
Istanbul to IST call time
Best time for a conference call or a meeting is between 9am-2:30pm in Istanbul which corresponds to 11:30am-5pm in IST
Istanbul to CET call time
Best time for a conference call or a meeting is between 11am-5pm in Istanbul which corresponds to 9am-3pm in CET
3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
3:00 pm15:00 Istanbul, Turkey / 5:30 pm17:30 IST / 1:00 pm13:00 CET
| Istanbul, Turkey | IST | CET |
|---|---|---|
| 12am (midnight) | 2:30 am | 10pm |
| 1am | 3:30 am | 11pm |
| 2am | 4:30 am | 12am (midnight) |
| 3am | 5:30 am | 1am |
| 4am | 6:30 am | 2am |
| 5am | 7:30 am | 3am |
| 6am | 8:30 am | 4am |
| 7am | 9:30 am | 5am |
| 8am | 10:30 am | 6am |
| 9am | 11:30 am | 7am |
| 10am | 12:30 pm | 8am |
| 11am | 1:30 pm | 9am |
| 12pm (noon) | 2:30 pm | 10am |
| 1pm | 3:30 pm | 11am |
| 2pm | 4:30 pm | 12pm (noon) |
| 3pm | 5:30 pm | 1pm |
| 4pm | 6:30 pm | 2pm |
| 5pm | 7:30 pm | 3pm |
| 6pm | 8:30 pm | 4pm |
| 7pm | 9:30 pm | 5pm |
| 8pm | 10:30 pm | 6pm |
| 9pm | 11:30 pm | 7pm |
| 10pm | 12:30 am | 8pm |
| 11pm | 1:30 am | 9pm |
| 00:00 | 02:30 | 22:00 |
| 01:00 | 03:30 | 23:00 |
| 02:00 | 04:30 | 00:00 |
| 03:00 | 05:30 | 01:00 |
| 04:00 | 06:30 | 02:00 |
| 05:00 | 07:30 | 03:00 |
| 06:00 | 08:30 | 04:00 |
| 07:00 | 09:30 | 05:00 |
| 08:00 | 10:30 | 06:00 |
| 09:00 | 11:30 | 07:00 |
| 10:00 | 12:30 | 08:00 |
| 11:00 | 13:30 | 09:00 |
| 12:00 | 14:30 | 10:00 |
| 13:00 | 15:30 | 11:00 |
| 14:00 | 16:30 | 12:00 |
| 15:00 | 17:30 | 13:00 |
| 16:00 | 18:30 | 14:00 |
| 17:00 | 19:30 | 15:00 |
| 18:00 | 20:30 | 16:00 |
| 19:00 | 21:30 | 17:00 |
| 20:00 | 22:30 | 18:00 |
| 21:00 | 23:30 | 19:00 |
| 22:00 | 00:30 | 20:00 |
| 23:00 | 01:30 | 21:00 |
Istanbul Information
Time Zone
TRT - Turkey Time
+3:00 hours during Turkey Time.
Istanbul Facts
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, Kolkata, Chennai.
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.
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 an offset of five hours and thirty minutes 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 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, Budapest.
German: MESZ - Mitteleuropäische Sommerzeit
Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central European Time (CET).
End: Central European Summer Time (CEST) ended on Sunday, October 26, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 2:00 am local standard time instead. Daylight saving ends annually on the last Sunday of October
Start: Central European Summer Time (CEST) starts on Sunday, March 29, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 3:00 am. Daylight saving starts annually on the last Sunday of March
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 an offset of two hours 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