ALIEN HOLIDAYS

Today and Upcoming Observances

YNOT Observance Calendar v2.2.0 | 146 observances loaded | layout: list

• Monday, October 12, 2026: Columbus Day / Indigenous Peoples' Day [Holiday] — Second Monday in October; observance varies.
• Monday, October 12, 2026: Indigenous Peoples' Day / Columbus Day Context [History] — Historical/civic observance varies by jurisdiction.
• Tuesday, October 13, 2026: U.S. Navy Birthday [Military] — Birthday of the United States Navy.
• Friday, October 16, 2026: World Food Day [International] — Food security observance.
• Wednesday, October 21, 2026: Back to the Future Day [Pop Culture] — Date visited in Back to the Future Part II.
• Friday, October 30, 2026: War of the Worlds Broadcast Anniversary [Pop Culture] — 1938 radio drama broadcast anniversary.
• Saturday, October 31, 2026: Halloween [Holiday] — Costume, folklore, and spooky season day.
• Sunday, November 1, 2026: All Saints' Day [Religious] — Christian observance honoring saints.
• Sunday, November 1, 2026: Daylight Saving Time Ends [Time] — First Sunday in November in many U.S. regions.
• Sunday, November 1, 2026: National Novel Writing Month [Writing] — NaNoWriMo writing challenge month.
• Monday, November 2, 2026: Day of the Dead [Culture] — Día de los Muertos observance.
• Thursday, November 5, 2026: Guy Fawkes Night [History] — British historical observance.
• Sunday, November 8, 2026: National STEM Day [Science] — Science, technology, engineering, and math observance.
• Monday, November 9, 2026: Carl Sagan Birthday [Science] — Astronomer and science communicator birthday.
• Tuesday, November 10, 2026: U.S. Marine Corps Birthday [Military] — Birthday of the United States Marine Corps.
• Wednesday, November 11, 2026: Veterans Day [Military] — Honors military veterans in the U.S.
• Friday, November 13, 2026: World Kindness Day [Culture] — Kindness observance.
• Thursday, November 19, 2026: World Toilet Day [International] — Sanitation awareness day.
• Monday, November 23, 2026: Cyber Monday [Commerce] — Monday after Thanksgiving weekend.
• Thursday, November 26, 2026: Thanksgiving Day [Holiday] — Fourth Thursday in November.
• Friday, November 27, 2026: Black Friday [Commerce] — Friday after Thanksgiving in the U.S.
• Saturday, November 28, 2026: Small Business Saturday [Commerce] — Saturday after Thanksgiving period.
• Monday, November 30, 2026: Computer Security Day [Technology] — Computer security awareness day.
• Tuesday, December 1, 2026: World AIDS Day [Health] — HIV/AIDS awareness day.
• Saturday, December 5, 2026: Walt Disney Birthday [Pop Culture] — Birthday of Walt Disney.
• Monday, December 7, 2026: Pearl Harbor Remembrance Day [Military] — Pearl Harbor attack anniversary.
• Wednesday, December 9, 2026: Grace Hopper Birthday [Technology] — Computer pioneer birthday.
• Thursday, December 10, 2026: Human Rights Day [International] — Human rights observance.
• Wednesday, December 16, 2026: Arthur C. Clarke Birthday [Writing] — Science fiction author birthday.
• Thursday, December 17, 2026: Wright Brothers Day [Technology] — Aviation anniversary day.
• Monday, December 21, 2026: Winter Solstice [Nature] — Approximate Northern Hemisphere winter solstice date.
• Thursday, December 24, 2026: Christmas Eve [Holiday] — Evening before Christmas.
• Friday, December 25, 2026: Christmas Day [Holiday] — Christmas holiday.
• Thursday, December 31, 2026: New Year's Eve [Holiday] — Last day of the Gregorian year.
• Friday, January 1, 2027: New Year's Day [Holiday] — First day of the Gregorian year.
• Saturday, January 2, 2027: Isaac Asimov Birthday [Writing] — Science fiction author birthday.
• Monday, January 4, 2027: World Braille Day [International] — Recognizes Louis Braille and accessibility.
• Wednesday, January 6, 2027: Epiphany [Religious] — Christian feast day observed by many traditions.
• Friday, January 8, 2027: Earth's Rotation Day [Science] — Commemorates Foucault pendulum demonstration.
• Friday, January 8, 2027: Stephen Hawking Birthday [Science] — Theoretical physicist birthday.
• Friday, January 15, 2027: Wikipedia Day [Technology] — Anniversary of Wikipedia launching in 2001.
• Sunday, January 17, 2027: Benjamin Franklin Day [History] — Birthday of Benjamin Franklin.
• Monday, January 18, 2027: Martin Luther King Jr. Day [Holiday] — Third Monday in January.
• Sunday, January 24, 2027: International Day of Education [International] — UN-recognized education day.
• Thursday, January 28, 2027: Data Privacy Day [Technology] — Privacy and data protection awareness day.
• Monday, February 1, 2027: Black History Month [History] — U.S. Black history observance month.
• Tuesday, February 2, 2027: Groundhog Day [Culture] — Weather folklore day.
• Thursday, February 4, 2027: World Cancer Day [Health] — Global cancer awareness day.
• Sunday, February 7, 2027: Jules Verne Birthday [Writing] — Science fiction pioneer birthday.
• Thursday, February 11, 2027: International Day of Women and Girls in Science [Science] — Science participation and recognition day.
• Friday, February 12, 2027: Lincoln's Birthday [History] — Birthday of Abraham Lincoln.
• Sunday, February 14, 2027: Valentine's Day [Holiday] — Love and friendship observance.
• Monday, February 15, 2027: Galileo Galilei Birthday [Science] — Birthday of astronomer Galileo Galilei.
• Monday, February 15, 2027: Presidents' Day [Holiday] — Third Monday in February.
• Thursday, February 18, 2027: Pluto Discovery Anniversary [Space] — Pluto was discovered in 1930.
• Monday, February 22, 2027: Washington's Birthday [History] — Birthday of George Washington.
• Monday, March 1, 2027: Women's History Month [History] — Women's history observance month.
• Wednesday, March 3, 2027: World Wildlife Day [Nature] — Wildlife and biodiversity observance.
• Monday, March 8, 2027: International Women's Day [International] — Global observance for women.
• Saturday, March 13, 2027: Uranus Discovery Anniversary [Space] — Uranus discovered by William Herschel in 1781.
• Sunday, March 14, 2027: Albert Einstein Birthday [Science] — Birthday of Albert Einstein.
• Sunday, March 14, 2027: Daylight Saving Time Begins [Time] — Second Sunday in March in many U.S. regions.
• Sunday, March 14, 2027: Pi Day [Science] — Math day tied to 3.14.
• Monday, March 15, 2027: Ides of March [History] — Roman calendar date tied to Julius Caesar.
• Wednesday, March 17, 2027: St. Patrick's Day [Holiday] — Irish cultural and religious observance.
• Saturday, March 20, 2027: Alien Abduction Day [UFO] — Internet/pop-culture UFO observance.
• Monday, March 22, 2027: World Water Day [International] — Water awareness day.
• Wednesday, March 31, 2027: World Backup Day [Technology] — Reminder to back up digital data.
• Thursday, April 1, 2027: Apple Computer Founded Anniversary [Technology] — Apple was founded April 1, 1976.
• Thursday, April 1, 2027: April Fools' Day [Culture] — Pranks and humor day.
• Friday, April 2, 2027: International Children's Book Day [Writing] — Children's literature observance.
• Friday, April 2, 2027: Walk to Work Day [Health] — First Friday in April.
• Monday, April 5, 2027: First Contact Day [Pop Culture] — Star Trek cultural observance.