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

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