IST to WAT Converter
WAT is 4.5 hours behind of IST.
IST
Thursday, October 22, 2026
India Standard Time · UTC+5:30
WAT
Thursday, October 22, 2026
West Africa Time · UTC+1
Convert IST to WAT
IST 20:14 = WAT 15:44
IST to WAT time chart, hour by hour
| IST | WAT |
|---|
| 00:00 | 19:30 −1 day |
| 01:00 | 20:30 −1 day |
| 02:00 | 21:30 −1 day |
| 03:00 | 22:30 −1 day |
| 04:00 | 23:30 −1 day |
| 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 |
Highlighted rows fall within 09:00–18:00 in both places: 4 shared working hours.
How many hours is IST ahead of WAT?
As abbreviations, WAT is always 4.5 hours behind of IST: IST is UTC+5:30 and WAT is UTC+1. To convert, subtract 4.5 hours.
Does the IST to WAT time difference change?
No. Wat is 4.5 hours behind of ist all year, because neither place changes its clocks.
Best time for a meeting between IST and WAT
- When WAT is 4.5 hours behind of IST: 3 shared office hours, 14:00 to 17:00 in IST (09:30 to 12:30 in WAT).
Frequently asked questions about IST and WAT time
How many hours ahead is WAT of IST?
WAT (UTC+1) is 4.5 hours behind of IST (UTC+5:30).
Does the time difference between IST and WAT change during the year?
No, it stays 4.5 hours behind all year because neither place changes its clocks.