IRST to WIB converter

Iran Time (Tehran) to Western Indonesia Time (Jakarta).

IRST3:37 AMSat 31 Oct 2026

→

WIB7:07 AMSat 31 Oct 2026

WIB is 3 h 30 min ahead of IRST.

Pick a time in IRST

⇄ WIB to IRST

9:00 AM IRST = 12:30 PM WIB same day

Best time to meet

The best time to meet is between 9:00 AM and 2:00 PM IRST, which is 12:30 PM to 5:30 PM WIB. Both sides are then inside 9 AM to 5 PM.

IRST to WIB time table

For 31 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

IRST	WIB
12:00 AM IRST	3:30 AM WIB
1:00 AM IRST	4:30 AM WIB
2:00 AM IRST	5:30 AM WIB
3:00 AM IRST	6:30 AM WIB
4:00 AM IRST	7:30 AM WIB
5:00 AM IRST	8:30 AM WIB
6:00 AM IRST	9:30 AM WIB
7:00 AM IRST	10:30 AM WIB
8:00 AM IRST	11:30 AM WIB
9:00 AM IRST	12:30 PM WIB
10:00 AM IRST	1:30 PM WIB
11:00 AM IRST	2:30 PM WIB
12:00 PM IRST	3:30 PM WIB
1:00 PM IRST	4:30 PM WIB
2:00 PM IRST	5:30 PM WIB
3:00 PM IRST	6:30 PM WIB
4:00 PM IRST	7:30 PM WIB
5:00 PM IRST	8:30 PM WIB
6:00 PM IRST	9:30 PM WIB
7:00 PM IRST	10:30 PM WIB
8:00 PM IRST	11:30 PM WIB
9:00 PM IRST	12:30 AM WIB next day
10:00 PM IRST	1:30 AM WIB next day
11:00 PM IRST	2:30 AM WIB next day

Quick answers

9:00 AM IRST = 12:30 PM WIB
12:00 PM IRST = 3:30 PM WIB
3:00 PM IRST = 6:30 PM WIB
5:00 PM IRST = 8:30 PM WIB
9:00 AM WIB = 5:30 AM IRST
12:00 PM WIB = 8:30 AM IRST
5:00 PM WIB = 1:30 PM IRST

Does the gap change during the year?

No. WIB is 3 h 30 min ahead of IRST all year.

IRST does not change its clocks. WIB does not change its clocks.

About IRST and WIB

IRST here means Iran Time, the clock in Tehran. Right now it is UTC+3:30. It has no daylight saving.

WIB here means Western Indonesia Time, the clock in Jakarta. Right now it is UTC+7. It has no daylight saving.

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