IRST: Iran Standard Time

Iran Standard Time

3:23:34pm

15:23 on a 24-hour clock

Sunday, 27th September 2026

UTC+3:30 Asia/Tehran

What IRST actually is

UTC+3:30: a half-hour offset, and no daylight saving since 2022.

Careful: Iran Standard Time is not on IRST at the moment. It is currently UTC+3:30 (UTC+3:30) because of daylight saving.

Daylight saving

Clocks here do not change: this zone stays on the same offset all year.

Cities on IRST

Tehran Iran 3:23pm ☀️ Sun UTC+3:30

Convert IRST

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Looking for UTC and GMT developer tooling (epoch conversion, ISO 8601, a free time API)? That lives on our sibling site utctime.app.

Other abbreviations

All time zones → Everywhere at UTC+3:30

Questions people ask

What time is it in IRST right now?

3:23 pm (15:23) on Sunday, 27th September 2026, for Iran Standard Time.

What does IRST stand for?

Iran Standard Time. UTC+3:30: a half-hour offset, and no daylight saving since 2022.

What is the UTC offset of IRST?

Iran Standard Time: UTC+3:30.

Is IRST in use right now?

Not at this moment. Iran Standard Time is currently on UTC+3:30 (UTC+3:30) because of daylight saving. IRST comes back when the clocks change: see the date below.