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IRST to JST Time Converter

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

IRST to JST Conversion Table

IRSTJST
12:00 AM5.5:00 AM
3:00 AM8.5:00 AM
6:00 AM11.5:00 AM
9:00 AM2.5:00 PM
12:00 PM5.5:00 PM
3:00 PM8.5:00 PM
6:00 PM11.5:00 PM
9:00 PM2.5:00 AM (+1 day)

What is the time difference between IRST and JST?

Iran Standard Time (IRST) is UTC+3:30 and Japan Standard Time (JST) is UTC+9. 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 IRST in JST?

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

Does IRST observe Daylight Saving Time?

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

IRST to JST Time Converter

Convert Iran Standard Time to Japan Standard Time

IRST
Iran Standard Time
07:00 PM
UTC+3:30
JST
Japan Standard Time
12:30 AM
UTC+9

Convert a Specific Time

:
12:00 PM
=
6:00 PM

IRST to JST Conversion Table

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

Frequently Asked Questions

What is the time difference between IRST and JST?

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

When is 9 AM IRST in JST?

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

Does IRST observe Daylight Saving Time?

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

Convert JST to IRST instead