WIB to IRST converter

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

WIB7:07 AMSat 31 Oct 2026

→

IRST3:37 AMSat 31 Oct 2026

IRST is 3 h 30 min behind WIB.

Pick a time in WIB

⇄ IRST to WIB

9:00 AM WIB = 5:30 AM IRST same day

Best time to meet

The best time to meet is between 1:00 PM and 5:00 PM WIB, which is 9:30 AM to 1:30 PM IRST. Both sides are then inside 9 AM to 5 PM.

WIB to IRST time table

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

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

Quick answers

9:00 AM WIB = 5:30 AM IRST
12:00 PM WIB = 8:30 AM IRST
3:00 PM WIB = 11:30 AM IRST
5:00 PM WIB = 1:30 PM IRST
9:00 AM IRST = 12:30 PM WIB
12:00 PM IRST = 3:30 PM WIB
5:00 PM IRST = 8:30 PM WIB

Does the gap change during the year?

No. IRST is 3 h 30 min behind WIB all year.

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

About WIB and IRST

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

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

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