IST to COT Converter
Quick answers
IST is 10 hours and 30 minutes ahead of COT. IST uses GMT +5:30, and COT uses GMT -5 for this comparison.
For example, 5:30 pm IST is 7:00 am COT. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 6pm-7pm IST, which is 7:30am-8:30am COT.
Compare IST time with COT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 10 hours and 30 minutes ahead of Colombia Time
5:30 pm17:30 in IST is 7:00 am07:00 in COT
IST to COT call time
Best time for a conference call or a meeting is between 6pm-7pm in IST which corresponds to 7:30am-8:30am in COT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 am07:00 Colombia Time (COT). Offset UTC -5:00 hours
5:30 pm17:30 IST / 7:00 am07:00 COT
| IST | COT |
|---|---|
| 12am (midnight) | 1:30 pm |
| 1am | 2:30 pm |
| 2am | 3:30 pm |
| 3am | 4:30 pm |
| 4am | 5:30 pm |
| 5am | 6:30 pm |
| 6am | 7:30 pm |
| 7am | 8:30 pm |
| 8am | 9:30 pm |
| 9am | 10:30 pm |
| 10am | 11:30 pm |
| 11am | 12:30 am |
| 12pm (noon) | 1:30 am |
| 1pm | 2:30 am |
| 2pm | 3:30 am |
| 3pm | 4:30 am |
| 4pm | 5:30 am |
| 5pm | 6:30 am |
| 6pm | 7:30 am |
| 7pm | 8:30 am |
| 8pm | 9:30 am |
| 9pm | 10:30 am |
| 10pm | 11:30 am |
| 11pm | 12:30 pm |
| 00:00 | 13:30 |
| 01:00 | 14:30 |
| 02:00 | 15:30 |
| 03:00 | 16:30 |
| 04:00 | 17:30 |
| 05:00 | 18:30 |
| 06:00 | 19:30 |
| 07:00 | 20:30 |
| 08:00 | 21:30 |
| 09:00 | 22:30 |
| 10:00 | 23:30 |
| 11:00 | 00:30 |
| 12:00 | 01:30 |
| 13:00 | 02:30 |
| 14:00 | 03:30 |
| 15:00 | 04:30 |
| 16:00 | 05:30 |
| 17:00 | 06:30 |
| 18:00 | 07:30 |
| 19:00 | 08:30 |
| 20:00 | 09:30 |
| 21:00 | 10:30 |
| 22:00 | 11:30 |
| 23:00 | 12:30 |
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
Colombia Time
Offset: COT is 5 hours behind Greenwich Mean Time (GMT) and is used in South America
Countries using this time zone: Colombia
Principal Cities: The largest city in the COT time zone is Bogota in Colombia, with about 7.674 million people. Other major cities in this time zone include Cali, Medellin, Barranquilla, Cartagena.
Daylight Saving: Clocks in Colombia Time (COT) do not change for daylight saving time, so COT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

COT representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for COT
- R - short form of 'Romeo'
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
