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Secular Holiday Celebrations


This is great to use as your group is planning events for the year. Its a great chance to include freethought holidays and dates to your schedule of events.

To go back to the Sample Year guide, please click here.


September 15: International Day of Democracy

September 19: Talk Like a Pirate Day

Autumn Equinox (Northern Hemisphere)/Spring Equinox (Southern Hemisphere)

September 21: International Day of Peace

September 23: Banned Book Week

September 30: International Blasphemy Rights Day

October is Freethought Month

October 12: Freethought Day

October 23: Mole Day

October 20-26: Free Speech Week

October 27-31: Graveyard of the Gods

November 9: Carl Sagan Day

November 21: Voltaire's Birthday

November 24: Evolution Day (anniversary of publication of Origin of Species )


December 10: International Human Rights Day

Winter Solstice (Northern Hemisphere)/Summer Solstice (Southern Hemisphere)

December 23: Festivus

December 23: HumanLight Celebration

December 25: Newtonmas and other Winter celebrations

January 1: New Year's Day

January 16: Religious Freedom Day

January 29: Thomas Paine Day

Februrary is Black History Month

Februrary 12: Darwin Day


March is Women's History Month

March 8: International Women's Day

March 14: Pi Day

March 16: Freedom of Information Day

March 16-22: Sunshine Week

Spring Equinox (Northern Hemisphere)/Autumn Equinox (Southern Hemisphere)

April 1: April Fool's Day

April 12: Yuri's Night, or Cosmonaut's Day

April 14: Better Together Day

April 22: Earth Day (more on how to participate in Environmental Service Days)

Every 3rd Thursday of April: Ask an Atheist Day

Last Friday of April: Arbor Day (more on how to participate in Environmental Service Days)

Every 1st Thursday of May: National Day of Reason

May 25: Towel Day / Geek Pride Day


June is LGBT Pride Month

June 5: World Environment Day

June 21: World Humanist Day

Summer Solstice (Northern Hemisphere)/Winter Solstice (Southern Hemisphere)

July 4: Indivisible Day

Mid-July: SSA Annual Conference

July 20: Space Day

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