When it is 12:00 PM in IRST, it is 1:30 AM in San Diego.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
IRST is 10 hours 30 minutes ahead of San Diego.
🕐 Subtract 10 hours 30 minutes from IRST time to get San Diego time.
IRST uses 3 hours 30 minutes ahead of Universal Time (UTC+3) and San Diego uses 7 hours behind Universal Time (UTC-7).
| IRST Time | San Diego Time | |
|---|---|---|
| 12 AM IRST Time | ↔ | 1 PM San Diego Time |
| 1 AM IRST Time | ↔ | 2 PM San Diego Time |
| 2 AM IRST Time | ↔ | 3 PM San Diego Time |
| 3 AM IRST Time | ↔ | 4 PM San Diego Time |
| 4 AM IRST Time | ↔ | 5 PM San Diego Time |
| 5 AM IRST Time | ↔ | 6 PM San Diego Time |
| 6 AM IRST Time | ↔ | 7 PM San Diego Time |
| 7 AM IRST Time | ↔ | 8 PM San Diego Time |
| 8 AM IRST Time | ↔ | 9 PM San Diego Time |
| 9 AM IRST Time | ↔ | 10 PM San Diego Time |
| 10 AM IRST Time | ↔ | 11 PM San Diego Time |
| 11 AM IRST Time | ↔ | 12 AM San Diego Time |
| IRST Time | San Diego Time | |
|---|---|---|
| 12 PM IRST Time | ↔ | 1 AM San Diego Time |
| 1 PM IRST Time | ↔ | 2 AM San Diego Time |
| 2 PM IRST Time | ↔ | 3 AM San Diego Time |
| 3 PM IRST Time | ↔ | 4 AM San Diego Time |
| 4 PM IRST Time | ↔ | 5 AM San Diego Time |
| 5 PM IRST Time | ↔ | 6 AM San Diego Time |
| 6 PM IRST Time | ↔ | 7 AM San Diego Time |
| 7 PM IRST Time | ↔ | 8 AM San Diego Time |
| 8 PM IRST Time | ↔ | 9 AM San Diego Time |
| 9 PM IRST Time | ↔ | 10 AM San Diego Time |
| 10 PM IRST Time | ↔ | 11 AM San Diego Time |
| 11 PM IRST Time | ↔ | 12 PM San Diego Time |
IRST is 10 hours 30 minutes ahead of San Diego.
IRST is ahead of San Diego by 10 hours 30 minutes.
It is 10:30 PM the previous day in San Diego.