hYYa Prayer Pal › Islamic Calendar

Islamic calendar: Sunnah days and when they fall

The Islamic Calendar in hYYa Prayer Pal shows the Sunnah days and when each one next falls — Mondays and Thursdays, the White Days, Ashura and Tasu'a, the first nine days of Dhul-Hijjah and Arafah, six days of Shawwal, the month of Sha'ban and the Hijama days — each with its hadith reference, reckoned with the Umm al-Qura calendar by default. One tap adds them to your phone's calendar. It is free, with no ads.

The Islamic Calendar in hYYa Prayer Pal — Mondays and Thursdays, the White Days, Hijama, Ashura and Sha'ban, each with its next date

The Sunnah days it tracks

Each card in the app shows the practice, when it falls, the hadith it rests on and its next date. The next dates below are worked out in your browser on the Umm al-Qura calendar, the app's default.

  • Mondays and Thursdays

    Every Monday and Thursday.

    Hadith: Jami' at-Tirmidhi 747 and 745

  • Ayyam al-Bidh (the White Days)

    The 13th, 14th and 15th of every Hijri month.

    Hadith: Jami' at-Tirmidhi 761

  • The Day of Ashura and Tasu'a

    The 9th and 10th of Muharram.

    Hadith: Sahih Muslim 1162

  • The first nine days of Dhul-Hijjah and Arafah

    The 1st to the 9th of Dhul-Hijjah; Arafah is the 9th.

    Hadith: Sahih Muslim 1162 and Sunan Abi Dawud 2437

  • Six days of Shawwal

    Any six days during the month of Shawwal.

    Hadith: Sahih Muslim 1164

  • The month of Sha'ban

    Throughout the 8th Hijri month.

    Hadith: Sahih al-Bukhari 1969

  • Hijama (cupping)

    The 17th, 19th and 21st of the Hijri month.

    Hadith: Sunan Abi Dawud 3861

Local moon sighting can differ by a day. In the app you can choose another reckoning or adjust the Hijri date. Hadith are shown in the app in an authenticated translation, or in the Arabic where none exists.

Add them to your calendar

Tap Add to my calendar on any practice and the app adds every occurrence across the next twelve Hijri months as all-day events — Mondays and Thursdays as one weekly event. Remove them the same way. On iPhone it only needs permission to add events; it never reads your existing ones.

Questions, answered

Which Hijri calendar does hYYa Prayer Pal use?

Umm al-Qura by default. Islamic (astronomical), Islamic Civil and Islamic Tabular can be chosen in Settings, and the Hijri date can be adjusted by a day to match your local sighting.

Can I add the Sunnah days to my phone's calendar?

Yes. One tap adds every occurrence across the next twelve Hijri months as all-day events, with Mondays and Thursdays as one weekly event. On iPhone it only needs permission to add events and never reads your existing ones.

Are the dates exact?

They follow the calendar you choose. Local moon sighting can differ by a day, which is why the app lets you adjust the Hijri date.

Is it free?

Yes. hYYa Prayer Pal is free, with no ads.

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