A Persian calendar on your iPhone, free with no limits.

What the calendar does

• Day, week, month and year views, counted in Shamsi months and years, with weeks that start on Saturday.
• The Gregorian date sits under every Persian day, so you read both calendars at once.
• Dates are written in Persian numerals.
• Iran's public holidays are marked on the grid.
• Iranian occasions are marked too, among them Nowruz, Chaharshanbe Suri, Sizdah Bedar, Mehregan and Yalda, and Roots tells you what each one means.
• Search finds your own events, your reflections, and the occasions and holidays the calendar marks.
• Add your own events. With calendar access, Hamdam writes them to a calendar of its own named Hamdam in Apple Calendar, and it never changes an event it did not create.
• If you want one, a reminder arrives the day before an Iranian occasion.

The poets' named days are on the calendar as well: Attar Day (25 Farvardin), Saadi Day (1 Ordibehesht), Ferdowsi Day (25 Ordibehesht), Khayyam Day (28 Ordibehesht), Rumi Day (8 Mehr), Hafez Day (20 Mehr), Nezami Day (21 Esfand) and Parvin Etesami Day (25 Esfand).

From version 2.1, Ask Hamdam, part of Hamdam Plus, tells you today's Persian date and how many days remain until Nowruz, Yalda or a poet's day.

Free, with no limits

The calendar is part of Hamdam's free tier and has no Plus gate: every view, search, the holidays and named days, and your own events. Hamdam is free to download, with optional extras. Hamdam Plus is an optional subscription for other features, and it does not unlock any part of the calendar.

How to switch Hamdam to Farsi

1. Open Your Hamdam (همدم تو).
2. Tap About You (دربارهٔ تو).
3. Under Language (زبان), choose فارسی.
4. Open Roots (ریشه‌ها). The calendar box at the top is now Shamsi. Tap Calendar (تقویم) for the full calendar.

Setting up for the first time? Choose فارسی on the Choose your language screen.

With the app in English, the same calendar is Gregorian, with the same views and search.

Questions

Is the Persian calendar in Hamdam free?

Yes. The whole calendar is free with no limits: the day, week, month and year views, search, Iran's holidays and named days, and adding your own events. Hamdam is free to download, and Hamdam Plus is an optional subscription for other features.

Which holidays does it show?

Iran's fixed public holidays on the solar calendar, such as the four days of Nowruz and Sizdah Bedar, are marked on the grid. Holidays that move with the lunar calendar are shown only where Hamdam holds a sourced date for them, such as Ashura, Eid al-Fitr and Eid al-Adha in some years, and are left off rather than guessed otherwise. The poets' named days and occasions such as Mehregan and Yalda are marked separately.

Does it show the Gregorian date too?

Yes. In Farsi each day shows its Persian date in Persian numerals, with the Gregorian day of the month beneath it. With the app in English, the calendar itself is Gregorian.

Does it work offline, and is it private?

The Persian dates, holidays and named days are worked out on your device and ship inside the app, so the calendar works without a connection. Hamdam needs no account. If you let it read your calendar, your events are read on the device, and what you type into search is not stored or sent.

Which devices does it run on?

iPhone and iPad, on iOS and iPadOS 26 or later. Get Hamdam from the App Store.