IRST to WIB
Convert Iran Time — Tehran to Western Indonesia Time — Jakarta — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tehran, it's 12:30 PM in Jakarta. Jakarta is 3½ hours ahead of Tehran. Use the converter above to turn any IRST time into WIB, or scan the hour-by-hour table below for the full day.
IRST to WIB at a glance
Planning a meeting between Tehran and Jakarta
Planning a call between Tehran and Jakarta? The best overlap during a standard 9-to-5 workday runs 9:00 AM–1:30 PM IRST (12:30 PM–5:00 PM WIB). Aim for that window to reach both sides during business hours.
Hour-by-hour: Tehran to Jakarta
A full day mapped from IRST to WIB.
Frequently asked
Is Jakarta ahead of or behind Tehran?
Jakarta is 3½ hours ahead of Tehran.
What is 12:00 PM IRST in WIB?
12:00 PM in Tehran is 3:30 PM in Jakarta.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so IRST and WIB automatically reflect the correct daylight-saving offset for the current date.