IST to +01:00 Converter
Quick answers
IST is 4 hours and 30 minutes ahead of +01:00 year-round.
Working hours of 9:00 am to 5:00 pm in IST correspond to 4:30 am to 12:30 pm in +01:00.
For example, 5:30 pm IST is 1:00 pm +01:00. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 1:30pm-5pm IST, which is 9am-12:30pm +01:00.
Compare IST time with +01:00 time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 4 hours and 30 minutes ahead of +01:00 GMT
5:30 pm17:30 in IST is 1:00 pm13:00 in +01:00
IST to +01:00 call time
Best time for a conference call or a meeting is between 1:30pm-5pm in IST which corresponds to 9am-12:30pm in +01:00
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 +01:00 GMT (+01:00). Offset UTC +1:00 hour
5:30 pm17:30 IST / 1:00 pm13:00 +01:00
| IST | +01:00 |
|---|---|
| 12am (midnight) | 7:30 pm |
| 1am | 8:30 pm |
| 2am | 9:30 pm |
| 3am | 10:30 pm |
| 4am | 11:30 pm |
| 5am | 12:30 am |
| 6am | 1:30 am |
| 7am | 2:30 am |
| 8am | 3:30 am |
| 9am | 4:30 am |
| 10am | 5:30 am |
| 11am | 6:30 am |
| 12pm (noon) | 7:30 am |
| 1pm | 8:30 am |
| 2pm | 9:30 am |
| 3pm | 10:30 am |
| 4pm | 11:30 am |
| 5pm | 12:30 pm |
| 6pm | 1:30 pm |
| 7pm | 2:30 pm |
| 8pm | 3:30 pm |
| 9pm | 4:30 pm |
| 10pm | 5:30 pm |
| 11pm | 6:30 pm |
| 00:00 | 19:30 |
| 01:00 | 20:30 |
| 02:00 | 21:30 |
| 03:00 | 22:30 |
| 04:00 | 23:30 |
| 05:00 | 00:30 |
| 06:00 | 01:30 |
| 07:00 | 02:30 |
| 08:00 | 03:30 |
| 09:00 | 04:30 |
| 10:00 | 05:30 |
| 11:00 | 06:30 |
| 12:00 | 07:30 |
| 13:00 | 08:30 |
| 14:00 | 09:30 |
| 15:00 | 10:30 |
| 16:00 | 11:30 |
| 17:00 | 12:30 |
| 18:00 | 13:30 |
| 19:00 | 14:30 |
| 20:00 | 15:30 |
| 21:00 | 16:30 |
| 22:00 | 17:30 |
| 23:00 | 18:30 |
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, 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
+01:00 GMT
Offset: +01:00 is 1 hour ahead Greenwich Mean Time (GMT) and is used in Etc
Daylight Saving: Clocks in +01:00 GMT (+01:00) do not change for daylight saving time, so +01:00 stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
+01:00 representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for +01:00
- A - short form of 'Alpha'
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time