Tehran - Ontario (USA, California) — time difference

What is the time difference between Tehran and Ontario (USA, California)?

The time difference between Tehran and Ontario (USA, California) is 10 hours 10 minutes. In Ontario (USA, California), it is 10 hours 10 minutes behind Tehran.

Time format: 12h 24h Start typing the name of the country / city where you want to know the current time.

Iran, Ostan-e Tehran, Tehran

06:23:

Saturday, 30 August 2025

⇄

USA, California, Ontario

07:53:

Friday, 29 August 2025

12:00 AM	01:30 PM
01:00 AM	02:30 PM
02:00 AM	03:30 PM
03:00 AM	04:30 PM
04:00 AM	05:30 PM
05:00 AM	06:30 PM
06:00 AM	07:30 PM
07:00 AM	08:30 PM
08:00 AM	09:30 PM
09:00 AM	10:30 PM
10:00 AM	11:30 PM
11:00 AM	12:30 AM
12:00 PM	01:30 AM
01:00 PM	02:30 AM
02:00 PM	03:30 AM
03:00 PM	04:30 AM
04:00 PM	05:30 AM
05:00 PM	06:30 AM
06:00 PM	07:30 AM
07:00 PM	08:30 AM
08:00 PM	09:30 AM
09:00 PM	10:30 AM
10:00 PM	11:30 AM
11:00 PM	12:30 PM