The Islamic Calendar

12 special months | The moon tells us when each one starts | Ramadan, Eid, and more

1 Muharram Mar 27 - Apr 24, 2066 مُحَرَّم Sacred Month

Muḥarram

The 13th, 14th, and 15th of Muharram are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Monday Mar 29, 2066 Voluntary
Thursday Apr 1, 2066 Voluntary
Monday Apr 5, 2066 Voluntary
Thursday Apr 8, 2066 Voluntary
Monday Apr 12, 2066 Voluntary
Thursday Apr 15, 2066 Voluntary
Monday Apr 19, 2066 Voluntary
Thursday Apr 22, 2066 Voluntary
Monday Apr 26, 2066 Voluntary
رأس السنة الهجرية Ra's as-Sanah al-Hijriyyah
1 Muharram ~Mar 27, 2066

The first day of the Islamic calendar year, marking the month of Muharram.

Fasting optional
Ashura Observance
عاشوراء 'Ashura'
9–10 Muharram ~Apr 4 – Apr 5, 2066

A day of voluntary fasting on the 9th and 10th of Muharram.

Fasting recommended
الأيام البيض Ayyam al-Bid
13–15 Muharram ~April 8-April 10, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
2 Safar Apr 25 - May 24, 2066 صَفَر

Ṣafar

The 13th, 14th, and 15th of Safar are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Monday Apr 26, 2066 Voluntary
Thursday Apr 29, 2066 Voluntary
Monday May 3, 2066 Voluntary
Thursday May 6, 2066 Voluntary
Monday May 10, 2066 Voluntary
Thursday May 13, 2066 Voluntary
Monday May 17, 2066 Voluntary
Thursday May 20, 2066 Voluntary
Monday May 24, 2066 Voluntary
The Hijrah Observance
الهجرة al-Hijrah
8–12 Safar ~May 2 – May 6, 2066

The migration of the Prophet (peace be upon him) from Makkah to Madinah.

الأيام البيض Ayyam al-Bid
13–15 Safar ~May 7-May 9, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
3 Rabi' al-Awwal May 25 - Jun 23, 2066 رَبِيعٌ الأوَّل

Rabī' al-Awwal

The 13th, 14th, and 15th of Rabi' al-Awwal are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Thursday May 27, 2066 Voluntary
Monday May 31, 2066 Voluntary
Thursday Jun 3, 2066 Voluntary
Monday Jun 7, 2066 Voluntary
Thursday Jun 10, 2066 Voluntary
Monday Jun 14, 2066 Voluntary
Thursday Jun 17, 2066 Voluntary
Monday Jun 21, 2066 Voluntary
Thursday Jun 24, 2066 Voluntary
Mawlid an-Nabi Observance
المولد النبوي al-Mawlid an-Nabawi
12 Rabi' al-Awwal ~Jun 5, 2066

The traditional date of the birth of the Prophet Muhammad (peace be upon him).

الأيام البيض Ayyam al-Bid
13–15 Rabi' al-Awwal ~June 6-June 8, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
4 Rabi' al-Thani Jun 24 - Jul 23, 2066 رَبِيعٌ الثاني

Rabī' al-Thānī

The 13th, 14th, and 15th of Rabi' al-Thani are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Thursday Jun 24, 2066 Voluntary
Monday Jun 28, 2066 Voluntary
Thursday Jul 1, 2066 Voluntary
Monday Jul 5, 2066 Voluntary
Thursday Jul 8, 2066 Voluntary
Monday Jul 12, 2066 Voluntary
Thursday Jul 15, 2066 Voluntary
Monday Jul 19, 2066 Voluntary
Thursday Jul 22, 2066 Voluntary
الأيام البيض Ayyam al-Bid
13–15 Rabi' al-Thani ~July 6-July 8, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
5 Jumada al-Ula Jul 24 - Aug 21, 2066 جُمَادَى الأولى

Jumādā al-Ūlā

The 13th, 14th, and 15th of Jumada al-Ula are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Monday Jul 26, 2066 Voluntary
Thursday Jul 29, 2066 Voluntary
Monday Aug 2, 2066 Voluntary
Thursday Aug 5, 2066 Voluntary
Monday Aug 9, 2066 Voluntary
Thursday Aug 12, 2066 Voluntary
Monday Aug 16, 2066 Voluntary
Thursday Aug 19, 2066 Voluntary
الأيام البيض Ayyam al-Bid
13–15 Jumada al-Ula ~August 5-August 7, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
6 Jumada al-Akhira Aug 22 - Sep 20, 2066 جُمَادَى الآخِرة

Jumādā al-Ākhirah

The 13th, 14th, and 15th of Jumada al-Akhira are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Monday Aug 23, 2066 Voluntary
Thursday Aug 26, 2066 Voluntary
Monday Aug 30, 2066 Voluntary
Thursday Sep 2, 2066 Voluntary
Monday Sep 6, 2066 Voluntary
Thursday Sep 9, 2066 Voluntary
Monday Sep 13, 2066 Voluntary
Thursday Sep 16, 2066 Voluntary
Monday Sep 20, 2066 Voluntary
الأيام البيض Ayyam al-Bid
13–15 Jumada al-Akhira ~September 3-September 5, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
7 Rajab Sep 21 - Oct 19, 2066 رَجَب Sacred Month

Rajab

The 13th, 14th, and 15th of Rajab are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Thursday Sep 23, 2066 Voluntary
Monday Sep 27, 2066 Voluntary
Thursday Sep 30, 2066 Voluntary
Monday Oct 4, 2066 Voluntary
Thursday Oct 7, 2066 Voluntary
Monday Oct 11, 2066 Voluntary
Thursday Oct 14, 2066 Voluntary
Monday Oct 18, 2066 Voluntary
Isra and Mi’raj Observance
الإسراء والمعراج al-Isra' wal-Mi'raj
27 Rajab ~Oct 17, 2066

Commemorates the Night Journey and Ascension of the Prophet (peace be upon him).

Fasting optional
الأيام البيض Ayyam al-Bid
13–15 Rajab ~October 3-October 5, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
8 Sha'ban Oct 20 - Nov 18, 2066 شَعْبَان

Sha'bān

The 13th, 14th, and 15th of Sha'ban are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Thursday Oct 21, 2066 Voluntary
Monday Oct 25, 2066 Voluntary
Thursday Oct 28, 2066 Voluntary
Monday Nov 1, 2066 Voluntary
Thursday Nov 4, 2066 Voluntary
Monday Nov 8, 2066 Voluntary
Thursday Nov 11, 2066 Voluntary
Monday Nov 15, 2066 Voluntary
Thursday Nov 18, 2066 Voluntary
Laylat al-Bara’ah Observance
ليلة البراءة Laylat al-Bara'ah
15 Sha'ban ~Nov 3, 2066

The Night of the 15th of Sha'ban, associated with forgiveness and prayer.

Fasting optional
الأيام البيض Ayyam al-Bid
13–15 Sha'ban ~November 1-November 3, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
9 Ramadan Nov 19 - Dec 17, 2066 رَمَضَان

Ramaḍān

The 13th, 14th, and 15th of Ramadan are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

During Ramadan, daily readings follow the 30-juz division so the entire Quran is completed over the month.
Ramadan Pillar
رمضان Ramadan
1–30 Ramadan ~Nov 19 – Dec 18, 2066

The holy month of fasting, one of the Five Pillars of Islam.

Fasting mandatory
Laylat al-Qadr Observance
ليلة القدر Laylat al-Qadr
21–29 Ramadan ~Dec 9 – Dec 17, 2066

The Night of Power, when the first verses of the Quran were revealed.

Fasting mandatory
الأيام البيض Ayyam al-Bid
13–15 Ramadan ~December 1-December 3, 2066

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
10 Shawwal Dec 18, 2066 - Jan 15, 2067 شَوَّال

Shawwāl

The 13th, 14th, and 15th of Shawwal are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Thursday Dec 23, 2066 Voluntary
Monday Dec 27, 2066 Voluntary
Thursday Dec 30, 2066 Voluntary
Monday Jan 3, 2067 Voluntary
Thursday Jan 6, 2067 Voluntary
Monday Jan 10, 2067 Voluntary
Thursday Jan 13, 2067 Voluntary
Monday Jan 17, 2067 Voluntary
Eid al-Fitr Holiday
عيد الفطر 'Id al-Fitr
1–3 Shawwal ~Dec 18 – Dec 20, 2066

The Festival of Breaking the Fast, marking the end of Ramadan.

Fasting prohibited
Six Days of Shawwal Observance
ست من شوال Sitta min Shawwal
4–30 Shawwal ~Dec 21, 2066 – Jan 19, 2067

Voluntary fasting for any six days in Shawwal after Eid al-Fitr.

Fasting recommended
الأيام البيض Ayyam al-Bid
13–15 Shawwal ~December 30, 2066-January 1, 2067

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
11 Dhul-Qi'dah Jan 16 - Feb 14, 2067 ذُو القَعدة Sacred Month

Dhū al-Qi'dah

The 13th, 14th, and 15th of Dhul-Qi'dah are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Monday Jan 17, 2067 Voluntary
Thursday Jan 20, 2067 Voluntary
Monday Jan 24, 2067 Voluntary
Thursday Jan 27, 2067 Voluntary
Monday Jan 31, 2067 Voluntary
Thursday Feb 3, 2067 Voluntary
Monday Feb 7, 2067 Voluntary
Thursday Feb 10, 2067 Voluntary
Monday Feb 14, 2067 Voluntary
الأيام البيض Ayyam al-Bid
13–15 Dhul-Qi'dah ~January 28-January 30, 2067

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended
12 Dhul-Hijjah Feb 15 - Mar 15, 2067 ذُو الحِجَّة Sacred Month

Dhū al-Ḥijjah

The 13th, 14th, and 15th of Dhul-Hijjah are the White Days (Ayyam al-Bid) — voluntary fasting is recommended.

Monday & Thursday Voluntary Fasts

Thursday Feb 17, 2067 Voluntary
Monday Feb 21, 2067 Voluntary
Monday Feb 28, 2067 Voluntary
Thursday Mar 3, 2067 Voluntary
Monday Mar 7, 2067 Voluntary
Thursday Mar 10, 2067 Voluntary
Monday Mar 14, 2067 Voluntary
Thursday Mar 17, 2067 Voluntary
عشر ذي الحجة 'Ashr Dhul-Hijjah
1–10 Dhul-Hijjah ~Feb 15 – Feb 24, 2067

The first ten days of Dhul-Hijjah — among the most sacred days of the year.

Fasting recommended
الحج al-Hajj
8–13 Dhul-Hijjah ~Feb 22 – Feb 27, 2067

The annual pilgrimage to Makkah, the fifth pillar of Islam.

Fasting optional
Day of Arafah Observance
يوم عرفة Yawm 'Arafah
9 Dhul-Hijjah ~Feb 23, 2067

The most important day of Hajj — fasting is highly recommended for non-pilgrims.

Fasting recommended
Eid al-Adha Holiday
عيد الأضحى 'Id al-Adha
10 Dhul-Hijjah ~Feb 24, 2067

The Festival of Sacrifice on the 10th of Dhul-Hijjah.

Fasting prohibited
Days of Tashriq Observance
أيام التشريق Ayyam at-Tashriq
11–13 Dhul-Hijjah ~Feb 25 – Feb 27, 2067

The three days after Eid al-Adha — fasting is prohibited.

Fasting prohibited
الأيام البيض Ayyam al-Bid
13–15 Dhul-Hijjah ~February 27-March 1, 2067

The 13th, 14th, and 15th of every Hijri month — voluntary fasting recommended.

Fasting recommended

Note: Gregorian dates shown are algorithmically calculated approximations. Actual dates of Ramadan, the two Eids, and other events may vary by 1–2 days depending on moon sighting. Always verify with your local Islamic authority or mosque for official observance dates.