Hanukkah Christmas
People wait in line mails inside the James A. Farley Post Office building on the busiest day of the year at the post office, Dec. 14, 2009 in New York City. Mario Tama/Getty Images

It's almost 2021 and even though we don't need a reminder for when St. Patrick's Day or Christmas Day falls, there are some religious holidays that depend on the lunar calendar.

Here is a list of some religious holidays. Please note: Jewish and Islamic holidays begin at sunset the previous day.

Christian holidays 2021:

Jan. 6, Wednesday: Epiphany

Jan. 10, Sunday: Baptism of the Jesus

Feb. 2, Tuesday: Candlemas

Feb. 14, Thursday: St. Valentine's Day

March 17, Wednesday: Ash Wednesday

March 17, Sunday: St. Patrick's Day

March 19, Friday: St. Joseph's Day

March 28, Sunday: Palm Sunday

April 1, Thursday: Maundy Thursday

April 2, Friday: Good Friday

April 4, Sunday: Easter

April 5, Monday: Easter Monday

April 23, Friday: St. George's Day

May 13, Thursday: Ascension of Jesus

May 23, Sunday: Pentecost

May 30, Sunday: Trinity Sunday

June 3, Thursday: Corpus Christi

June 15, Tuesday: Saint Vladimir

June 29, Tuesday: Feast of Saints Peter and Paul

July 25, Sunday: St. James the Great Day

Aug. 1, Sunday: Lammas

Aug. 15, Sunday: The Assumption of Mary

Sept. 14, Tuesday: Holy Cross Day

Sept. 29, Wednesday: Michaelmas

Oct. 31, Sunday: All Hallows Eve

Nov. 1, Monday: All Saints' Day

Nov. 2, Tuesday: All Souls' Day

Nov. 28, Sunday: Advent

Nov. 30, Tuesday: St. Andrew's Day

Dec. 6, Monday: St. Nicholas Day

Dec. 24, Friday: Christmas Eve

Dec. 25, Saturday: Christmas

Dec. 28, Tuesday: Holy Innocents

Dec. 31, Friday: Watch Night

Jewish holidays 2021:

Jan. 27, Wednesday: Tu B’Shevat

Feb. 25-26: Purim

March 27, Saturday: Passover

April 4, Sunday: Passover - Final Day

April 8, Thursday: Yom Hashoah

April 13, Tuesday: Yom HaZikaron

April 16, Friday: Yom HaAtzma'ut

April 29, Thursday: Lag B’Omer

May 9, Sunday: Yom Yerushalayim

May 16-18: Shavuot

July 17, Saturday: Tish’a B’Av

Sept. 6-8: Rosh Hashanah

Sept. 9, Thursday: Fast of Gedaliah

Sept. 15, Wednesday: Yom Kippur

Sept. 20-27: Sukkot

Nov. 28-Dec. 6: Chanukah or Hanukkah

Hanukkah
Rabbi Yehuda Teichtal lights a menorah on the sixth day of Hanukkah at the Orthodox synagogue at the Chabad-Lubavitch Jewish Education Center in Berlin, Germany, Dec. 6, 2010. Getty bImages/ Sean Gallup

Islamic holidays 2021:

March 11, Thursday: Lailat al Miraj

March 28, Sunday: Lailat al Bara'ah

April 12, Monday: Start of Ramadan

May 9, Sunday: Laylat al Qadr

May 12, Sunday: Eid al-Fitr (End of Ramadan)

July 18, Sunday: Waqf al Arafa – Hajj

July 19: Eid al-Adha

Aug. 19, Thursday: Hijra (Islamic New Year)

Aug. 19, Thursday: Ashura/Muharram

Oct. 18, Monday: Milad un Nabi

Buddhist holidays 2021:

Jan. 20, Wednesday – Bodhi Day

Jan. 28, Thursday: Mahayana New Year

Feb. 12, Friday: Chinese New Year

Feb. 15, Monday: Nirvana Day

Feb. 26, Friday: Magha Puja/Sangha Day

April 27, Tuesday: Theravada New Year

May 26, Wednesday: Wesak or Buddha Day

July 26, Saturday: Asala/Dharma Day

Aug. 22, Sunday: Obon

Hindu holidays 2021:

Jan. 14, Thursday: Makar Sankranti/Pongal

Jan. 28, Thursday: Thaipusam

Feb. 16, Tuesday: Vasant Panchami

March 11, Thursday: Maha Shivaratri

March 28, Sunday: Holika Dahan

March 29, Monday: Holi

April 13, Tuesday: Gudi Padwa (Hindi New Year)

April 13, Tuesday: Ugadi (Kannada, Telugu New Year)

April 14, Wednesday: Puthandu (Tamil New Year)

April 21, Wednesday: Rama Navami

April 15, Thursday: Vaisakhi/Baisakhi/Vishu/Pohela Boishakh (Bengali New Year)

April 27, Tuesday: Hanuman Jayanti

May 14, Friday: Akshaya Tritiya

July 12, Monday: Puri Ratha Yatra

July 24, Saturday: Guru Purnima

Aug. 13, Friday: Nag Panchami

Aug. 22, Sunday: Raksha Bandhan

Aug. 30, Monday: Krishna Janmashtami

Sept. 10, Friday: Ganesh Chaturthi

Sept. 17, Friday: Vishwakarma Puja

Sept. 20, Monday: Mahalaya Amavasya

Oct. 7-14: Navaratri

Oct. 15, Friday: Dusshera

Oct. 19, Tuesday: Sharad Purnima

Oct. 24, Sunday: Karwa Chauth

Nov. 2, Tuesday: Dhanteras

Nov. 5, Friday: Diwali

Nov. 6, Saturday: Bhai Dooj

Nov. 10, Wednesday: Chhath Puja

Sikh holidays 2021:

Jan. 20, Wednesday: Guru Gobind Singh Birthday

Jan. 13, Wednesday: Maghi - Lohri

March 29-31: Hola Mohalla

April 14, Wednesday: Vaisakhi

April 18, Sunday: Birthday of Guru Angad Dev

June 16, Wednesday: Martyrdom of Guru Arjan Dev Sahib

Oct. 20, Wednesday: Birth of the Guru Granth

Nov. 19, Friday: Guru Nanak Birthday

Nov. 24, Wednesday: Martyrdom of Guru Tegh Bahadur Sahib