Daylight Saving Time will end in the United States on November 1, 2026. Arizona and Hawaii do not observe Daylight Saving Time. For all other states, the clocks will “fall …

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The Secure World Foundation (SWF) will hold the 8th Summit for Space Sustainability from November 4-5, 2026 in Brasilia, Brazil in cooperation with Brazil's space agency, Agência Espacial Brasileira (AEB). …

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November 11, 2026 is a U.S. Federal holiday. Government offices will be closed. Veterans Day honors all who served in the military, whether they served in peace or wartime or …

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The Global Network on Sustainability in Space (GNOSIS) will hold its 2026 conference, GNOSIS26, virtually from November 24-25, 2026. A "Save the Date" email sent in November 2025 says:

November 26, 2026 is a U.S. Federal holiday, Thanksgiving Day. Thanksgiving Day is celebrated in the United States on the fourth Thursday of November to give thanks for all that …

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The second Habitable Worlds Observatory conference will take place November 30-December 4, 2026. As of April 18, 2026, the website does not specify the venue, saying only that it is …

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The Interstellar Research Group (IRG) and the International Academy of Astronautics (IAA) will hold the 2nd European Interstellar Symposium from December 2-4, 2026 in Venice, Italy. More information is on …

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December 25, 2026 is a U.S. Federal holiday in observance of Christmas.  Government offices will be closed.

The 58th Lunar and Planetary Science Conference (LPSC) will take place March 15-19, 2027 near Houston, TX and online. Visit the Lunar and Planetary Institute website for further information.