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JST to IRST Time Converter

Convert Japan Standard Time (JST, UTC+9) to Iran Standard Time (IRST, UTC+3:30).JST is used in the Asia region and IRST is used in the Middle East region.

JST to IRST Conversion Table

JSTIRST
12:00 AM6.5:00 PM (-1 day)
3:00 AM9.5:00 PM (-1 day)
6:00 AM0.5:00 AM
9:00 AM3.5:00 AM
12:00 PM6.5:00 AM
3:00 PM9.5:00 AM
6:00 PM0.5:00 PM
9:00 PM3.5:00 PM

What is the time difference between JST and IRST?

Japan Standard Time (JST) is UTC+9 and Iran Standard Time (IRST) is UTC+3:30. The exact difference can vary due to Daylight Saving Time changes. Our converter automatically accounts for current DST rules to give you accurate conversions.

When is 9 AM JST in IRST?

Use the conversion table above to find common time mappings between JST and IRST. For precise conversions including DST adjustments, use the interactive converter.

Does JST observe Daylight Saving Time?

Japan Standard Time (JST) is based on the Asia/Tokyo timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.

JST to IRST Time Converter

Convert Japan Standard Time to Iran Standard Time

JST
Japan Standard Time
08:17 AM
UTC+9
IRST
Iran Standard Time
02:47 AM
UTC+3:30

Convert a Specific Time

:
12:00 PM
=
6:00 AM

JST to IRST Conversion Table

JSTIRST
12:00 AM6:00 PM (-1)
3:00 AM9:00 PM (-1)
6:00 AM12:00 AM
9:00 AM3:00 AM
12:00 PM6:00 AM
3:00 PM9:00 AM (+1)
6:00 PM12:00 PM (+1)
9:00 PM3:00 PM

Frequently Asked Questions

What is the time difference between JST and IRST?

Japan Standard Time (JST) is UTC+9 and Iran Standard Time (IRST) is UTC+3:30. The exact difference can vary due to Daylight Saving Time changes.

When is 9 AM JST in IRST?

Use our converter above to find the exact time. Enter 9:00 in the JST field to see the corresponding IRST time, accounting for current DST rules.

Does JST observe Daylight Saving Time?

Japan Standard Time (JST) is based on the Asia/Tokyo timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.

Convert IRST to JST instead