Christmas is always on Dec. 25, but most religious observances -- regardless of which faith they relate to -- depend on the lunar calendar and shift each year. As 2015 approaches, followers of different faiths will be marking their calendars with their respective holy days.

Below is a list of religious holidays for nine of the world’s major religions. Please note: Jewish, Baha’i and Islamic holidays begin at sunset the previous day.

Jewish Holidays 2015:

Jan. 1 – Fast of Tevet 10

Feb. 4 – Tu B'Shevat

March 4-5 – Purim

April 3-11 – Passover

May 7 – Lag B'Omer

May 23 – Shavuot

July 4-25 – The Three Weeks

July 31 – The 15th of Av

Sept. 13-15 – Rosh Hashanah

Sept. 22-23 – Yom Kippur

Sept. 27-Oct. 4 – Sukkot

Oct. 4-6 – Shemini Atzeret & Simchat Torah

Dec. 6-14 – Hanukkah

 

Christian Holidays 2015:

Jan. 6 – Epiphany

Jan. 6 – Christmas (Eastern Orthodox)

Jan. 11 – Baptism of the Lord

Feb. 2 – Candlemas

Feb. 17 – Shrove Tuesday

Feb. 18 – Ash Wednesday

Feb. 23 – Clean Monday

March 17 – Saint Patrick’s Day

March 25 – Annunciation of the Lord

March 29 – Palm Sunday

April 2 – Holy Thursday

April 3 – Good Friday

April 4 – Holy Saturday

April 5 – Easter

April 5 – Palm Sunday (Eastern Orthodox)

April 6 – Great Thursday (Eastern Orthodox)

April 10 – Good Friday (Eastern Orthodox)

April 11 – Holy Saturday (Eastern Orthodox)

April 12 – Pascha (Eastern Orthodox)

April 15 – Lord’s Supper

May 14 – Ascension Day

May 21 – Ascension Day (Eastern Orthodox)

May 24 – Pentecost

May 31 – Pentecost (Eastern Orthodox)

May 31 – Trinity Sunday

June 4 – Feast of the Body of Christ (Corpus Christi)

June 7 – All Saint’s Day (Eastern Orthodox)

July 24 – Pioneer Day

Aug. 6 – Transfiguration

Aug 15 – Dormition of the Theotokos

Sept. 8 – Nativity of the Theotokos

Sept. 14 – Triumph of the Cross

Oct. 2 – Feast of Guardian Angels

Oct. 31 – All Hallow’s Eve

Oct. 31 – Reformation Day

Nov. 1 – All Saint’s Day

Nov. 2 – All Soul’s Day

Nov. 29 – Advent begins

Dec. 8 – Feast of the Immaculate Conception

Dec. 12 – Our Lady Guadeloupe

Dec. 24 – Christmas Eve

Dec. 25 – Christmas  

 

Islamic Holidays 2015:

Jan. 3 – Milad al-Nabi

June 2 – Nisf Shabaan/Night of Salvation

June 18 – Ramadan starts

July 13 – Laila al-Qadr

July 17 – Eid al-Fitr

Sept. 23 – Eid al-Adha

Oct. 14 – Muharram

Oct. 14 – Al-Hijira

Oct. 23 – Ashura

 

Buddhist Holidays 2015:

Jan. 1 – Temple Day

Jan. 5 – Mahayana New Year

Feb. 8 – Parinirvana

Feb. 15 – Nirvana Day

March 5 – Magha Puja/Sangha Day

April 4 – Theravada New Year

April 8 – Hanamatsuri

June 1 – Wesak or Buddha Day

July 2 – Asala/Dharma Day

July 13 – Bon

Aug. 28 – Ulambana/Ghost Festival

Dec. 8 – Bodhi Day

 

Hindu Holidays 2015:

Jan. 14 – Makar Sankranti

Feb. 17 – Maha Shivaratri/Shiva Ratr

March 21 – Ugadi/Yugadi

March 28 – Rama Navami, Swaminarayan Jayanti

Aug. 29 – Raksha Banhan/Rakhi

Sept. 5 – Krishna Jayanti

Sept. 17 – Ganesh Chaturthi

Oct. 13 – Navaratri

Oct. 22 – Dassera/Durga Puja

Nov. 11 – Diwali

 

Pagan Holidays 2015:

Feb. 2 – Imbolc

March 20 – Mabon

May 1 – Beltane

June 21 – Litha

Aug. 1 – Lammas

Sept. 22 – Mabon/Autumn Equinox

Oct. 31 – Samhain

Dec. 22 – Yule

 

Sikh Holidays 2015:

Jan. 5 – Birth of Guru Gobind Singh

Jan. 13 – Maghi/Lohri

Jan. 31 – Birth of Guru Har Rai

March 6 – Hola Mohalla

April 13 – Baisakhi/Vaisakhi

April 14 – Vaisakhi

April 14 – Hola Mohalla

April 18 – Birth of Guru Tegh Bahadur and Guru Angad Dev

May 2 – Birth of Guru Arjan Dev

May 23 – Birth of Guru Amar Das

June 16 – Martyrdom of Guru Arjan Dev

July 5 – Birth of Guru Hargobind

July 23 – Birth of Guru Har Krishen

Oct. 9 – Birth of Guru Ram Das

Nov. 11 – Diwali

Nov. 24 – Martyrdom of Guru Tegh Bahadur

Nov. 25 – Birth of Guru Nanak

 

Baha'i Holidays 2015:

Feb. 26-March 1 – Intercalary Day

March 2-20 – Nineteen-Day Fast

April 21 – Festival of Ridvan

April 29 – Ninth day of Ridvan

May 2 – Twelfth Day of RIdvan

May 23 – Declaration of the Bab

May 29 –Ascension of Baha’u’llah

July 9 – Martyrdom of the Bab

Oct. 20 – Birth of the Bab

Nov. 12 – Birth of Baha’u’llah

Nov. 26 – Day of the Covenant

Nov. 28 – Ascension of Abdu’l-Baha

 

Shinto Holidays 2015:

Jan. 1 – Oshogatsu/Shogatsu

Jan. 15 – Seijin Shiki

Feb. 3 – Rissun

March 3 – Hina-matsuri

March 21 – Shubun-sai

Oct. 17 – Kenname Festival

Nov. 23 – Niiname Festival

 

Secular Holidays 2015:

Jan. 1 – New Year’s Day

Jan. 16 – Religious Freedom Day

Jan. 18 – World Religion Day

Jan .19 – Martin Luther King Jr. Day

Feb. 2 – Groundhog Day

Feb. 14 – Valentine's Day

March 17 – St. Patrick’s Day

April 1 – Apil Fools' Day

May 5 – Cinco de Mayo

May 10 – Mother’s Day

May 25 – Memorial Day

June 21 – Father’s Day

July 4 – American Independence Day

Sept. 7 – Labor Day

Oct. 12 – Columbus Day

Oct. 31 – Halloween

Nov. 11 – Veterans Day

Nov. 25 – Religious Liberty Day

Nov. 26 – Thanksgiving

Dec. 15 – Bill of Right’s Day

Dec. 26 - Kwanzaa

Dec. 29 – Wounded Knee Day