| HOLIDAY | FAITH | DATE(S) |
| Tisha B'Av | Judaism | August 7 |
| Muharram | Islam | August 9 |
| Krishna Janmashtami | Hindu | August 19 |
| Paryushan-Parva | Jainism | August 23-31 |
| Rosh Hashanah* | Judaism | September 25-27 |
| Yom Kippur* | Judaism | October 5 |
| Mawlid al-Nabi (Sunni) | Islam | October 8 |
| Birth of the Prophet Muhammad (Sunni) | Islam | October 8 |
| Sukkot* | Judaism | October 9-16 |
| Shemini Atzeret | Judaism | October 17 |
| Simchat Torah* | Judaism | October 18 |
| Birth of the Prophet Muhammad (Shia) | Islam | October 24 |
| Diwali | Jainism, Sikhism, Hinduism | October 24 |
| Birth of the Báb* | Bahá’í | October 26 |
| Birth of Bahá’u’lláh* | Bahá’í | October 27 |
| Hanukkah | Judaism | December 18-26 |
| Christmas | Christian | December 25 |
| Kwanzaa | Interfaith / African-American | December 26 - January 1 |
| Gantan-sai | Shinto | January 1 |
| Feast of the Epiphany | Christian | January 6 |
| Eastern Orthodox Christmas (Julian Calendar) | Orthodox Christian | January 7 |
| Sankranti | Hinduism | January 14 |
| Lunar New Year | Confucianism / Taoism / Buddhism | January 22 |
| Ash Wednesday | Christian | February 22 |
| Eastern Orthodox Beginning of Lent | Orthodox Christian | February 28 |
| Purim | Judaism | March 6 - March 7 |
| Holi - Festival of Colors | Hinduism | March 8 |
| ‘Alá’ (Loftiness) 19 day fast | Bahá’í | March 2 - March 20 |
| Nowruz* | Bahá’í | March 22 |
| Ramadan begins | Islam | March 22 |
| Palm Sunday | Christian | April 2 |
| Good Friday | Christian | April 7 |
| Vesak (Visakha Puja)- Buddah Day* | Buddhism | April 8 |
| Easter | Christian | April 9 |
| Palm Sunday | Orthodox Christian | April 9 |
| Mahavira-Jayanti | Jainism, Sikhism, Hinduism | April 4 |
| Passover* | Judaism | April 5- April 13 |
| 23rd Night of Ramadan | Islam | April 14 |
| Baisakhi | Sikh | April 14 |
| Holy Friday | Orthodox Christian | April 14 |
| Eastern Orthodox Easter | Orthodox Christian | April 16 |
| Yom HaSho'ah | Judaism | April 18 |
| Eid al-Fitr (date can vary by a day) | Islam | April 22 |
| First Day of Ridvan* | Baha’i | April 21 |
| Ninth Day of Ridván* | Bahá’í | April 29 |
| Twelfth Day of Ridván | Bahá’í | May 2 |
| Last day of Ridvan | Bahá’í | May 2 |
| Declaration of the Báb | Bahá’í | May 24 |
| Ascension of Bahá'u'lláh | Bahá’í | May 29 |
| Shavuot | Judaism | May 26-27 |
| Juneteenth | Interfaith / African-American | June 19 |
| Pentecost | Christian | May 28 |
| Eid al-Adha | Islam | June 28 - June 29 |
*These holidays have been designated non-work days by the religions that celebrate them.
Religious holidays for AY 2023-24 will be updated by July 31, 2023.
Reference our religious observation policy here.
If there is a holiday you feel should be on this calendar and is currently not, please email provostsoffice@tc.columbia.edu.