IST to IDT Converter
Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 4, 2026 = 3:00 pm15:00 IDT (UTC+3), Oct 4, 2026
IST is 2 hours and 30 minutes ahead of IDT.
IST and IDT examples
These examples always use IST (UTC+5:30) and IDT (UTC+3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 2 hours and 30 minutes ahead of IDT.
How the time difference changes
For most of the year, IST is 2 hours and 30 minutes ahead of IDT. At other times of the year, the IST converter row is 3 hours and 30 minutes ahead of the IDT converter row.
For most of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 6:30 am to 2:30 pm in IDT. At other times of the year, working hours of 9:00 am to 5:00 pm on the IST converter row correspond to 5:30 am to 1:30 pm on the IDT converter row.For most of the year, working hours of 09:00 to 17:00 in IST correspond to 06:30 to 14:30 in IDT. At other times of the year, working hours of 09:00 to 17:00 on the IST converter row correspond to 05:30 to 13:30 on the IDT converter row.
Compare IST time with IDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 2 hours and 30 minutes ahead of Israel Daylight Time.
5:30 pm17:30 in IST is 3:00 pm15:00 in IDT
IST to IDT call time
Best time for a conference call or a meeting is between 11:30am-5pm11:30-17:00 in IST which corresponds to 9am-2:30pm09:00-14:30 in IDT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
3:00 pm15:00 Israel Daylight Time (IDT). Offset UTC +3:00 hours
5:30 pm17:30 IST / 3:00 pm15:00 IDT
| IST | IDT |
|---|---|
| 12:00am | 9:30pm |
| 1:00am | 10:30pm |
| 2:00am | 11:30pm |
| 3:00am | 12:30am |
| 4:00am | 1:30am |
| 5:00am | 2:30am |
| 6:00am | 3:30am |
| 7:00am | 4:30am |
| 8:00am | 5:30am |
| 9:00am | 6:30am |
| 10:00am | 7:30am |
| 11:00am | 8:30am |
| 12:00pm | 9:30am |
| 1:00pm | 10:30am |
| 2:00pm | 11:30am |
| 3:00pm | 12:30pm |
| 4:00pm | 1:30pm |
| 5:00pm | 2:30pm |
| 6:00pm | 3:30pm |
| 7:00pm | 4:30pm |
| 8:00pm | 5:30pm |
| 9:00pm | 6:30pm |
| 10:00pm | 7:30pm |
| 11:00pm | 8:30pm |
| 00:00 | 21:30 |
| 01:00 | 22:30 |
| 02:00 | 23:30 |
| 03:00 | 00:30 |
| 04:00 | 01:30 |
| 05:00 | 02:30 |
| 06:00 | 03:30 |
| 07:00 | 04:30 |
| 08:00 | 05:30 |
| 09:00 | 06:30 |
| 10:00 | 07:30 |
| 11:00 | 08:30 |
| 12:00 | 09:30 |
| 13:00 | 10:30 |
| 14:00 | 11:30 |
| 15:00 | 12:30 |
| 16:00 | 13:30 |
| 17:00 | 14:30 |
| 18:00 | 15:30 |
| 19:00 | 16:30 |
| 20:00 | 17:30 |
| 21:00 | 18:30 |
| 22:00 | 19:30 |
| 23:00 | 20:30 |
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 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
Israel Daylight Time
Offset: IDT is 3 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Israel
Principal Cities: The largest city in the IDT time zone is Jerusalem in Israel, with about 971,800 people. Other major cities in this time zone include Tel Aviv, West Jerusalem, Haifa, Ashdod.

Daylight Saving: Israel Daylight Time (IDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Israel Standard Time (IST).
Start: Israel Daylight Time (IDT) started on Friday, March 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Friday, March 27, 2026, 3:00 am03:00. Daylight saving starts annually on the last Friday of March.
End: Israel Daylight Time (IDT) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
IDT representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
- Charlie - Military abbreviation for IDT
- C - short form of 'Charlie'
- Asia/Jerusalem
- Asia/Tel_Aviv
- Israel
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time
