IST to CAT Converter
CAT is 3.5 hours behind of IST.
IST
Thursday, October 22, 2026
India Standard Time · UTC+5:30
CAT
Thursday, October 22, 2026
Central Africa Time · UTC+2
Convert IST to CAT
IST 17:37 = CAT 14:07
IST to CAT time chart, hour by hour
| IST | CAT |
|---|
| 00:00 | 20:30 −1 day |
| 01:00 | 21:30 −1 day |
| 02:00 | 22:30 −1 day |
| 03:00 | 23:30 −1 day |
| 04:00 | 00:30 |
| 05:00 | 01:30 |
| 06:00 | 02:30 |
| 07:00 | 03:30 |
| 08:00 | 04:30 |
| 09:00 | 05:30 |
| 10:00 | 06:30 |
| 11:00 | 07:30 |
| 12:00 | 08:30 |
| 13:00 | 09:30 |
| 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 |
Highlighted rows fall within 09:00–18:00 in both places: 5 shared working hours.
How many hours is IST ahead of CAT?
As abbreviations, CAT is always 3.5 hours behind of IST: IST is UTC+5:30 and CAT is UTC+2. To convert, subtract 3.5 hours.
Does the IST to CAT time difference change?
No. Cat is 3.5 hours behind of ist all year, because neither place changes its clocks.
When IST and CAT are both at work
- When CAT is 3.5 hours behind of IST: 4 shared office hours, 13:00 to 17:00 in IST (09:30 to 13:30 in CAT).
Frequently asked questions about IST and CAT time
How many hours ahead is CAT of IST?
CAT (UTC+2) is 3.5 hours behind of IST (UTC+5:30).
Does the time difference between IST and CAT change during the year?
No, it stays 3.5 hours behind all year because neither place changes its clocks.