Calendar tool for immigrants, expats & travelers — compare dates across Persian, Gregorian, Hijri, Hebrew and Chinese calendars.

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September 2025

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Iran uses the Persian calendar for official dates, public holidays and observances.

Islamic dates are calculated and may differ by 1 day from official announcements based on moon sighting.

Download September 2025

24 working days

4 Fridays

2 official holidays

Take 11 September off and get 3 days in a row.

Based on Iran's official public holidays and the Friday weekend.

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September 2025 in the Gregorian calendar — full dates, weekdays and holidays below. This month includes 2 public holidays.

24 working days, 4 Fridays and 2 official holidays, out of 30 days in total.

Based on Iran's official public holidays and the Friday weekend.

How many working days are in September 2025?

September 2025 has 24 working days out of 30 days — 4 Fridays and 2 official holidays, based on Iran's public holidays and the Friday weekend.

Any long weekends in September 2025?

Yes — take 11 September off for 3 days in a row.

What holidays are in September 2025?

September 2025 has 2 public holidays: Martyrdom of Imam Hassan Askari (1 September) and Mawlid al-Nabi & Birthday of Imam Sadiq (10 September).

What day of the week is Martyrdom of Imam Hassan Askari in 2025?

Martyrdom of Imam Hassan Askari in 2025 falls on a Monday, 1 September.