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PRODID:-//Space Calendar - ECPv6.17.1//NONSGML v1.0//EN
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METHOD:PUBLISH
X-WR-CALNAME:Space Calendar
X-ORIGINAL-URL:https://spacecalendar.com
X-WR-CALDESC:Events for Space Calendar
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BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
TZNAME:UTC
DTSTART:20250101T000000
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BEGIN:VTIMEZONE
TZID:Pacific/Honolulu
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TZOFFSETFROM:-1000
TZOFFSETTO:-1000
TZNAME:HST
DTSTART:20250101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20260730
DTEND;VALUE=DATE:20260801
DTSTAMP:20260127T005144Z
CREATED:20260127T004603Z
LAST-MODIFIED:20260127T005144Z
UID:10000955-1785369600-1785542399@spacecalendar.com
SUMMARY:Southern Delta Aquariids Meteor Shower Peak
DESCRIPTION:Emanating from ~6km-wide comet with 5.3-year Solar orbit\, visible in constellation Aquarius near star Delta Aquarii\, fast\, faint meteors peak on this night\, best seen from the Southern Hemisphere; the bright Moon in 2026 may make the best viewing several days earlier.
URL:https://spacecalendar.com/event/southern-delta-aquariids-meteor-shower-peak/
LOCATION:Worldwide
CATEGORIES:Space / Astro Events
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260919
DTEND;VALUE=DATE:20260921
DTSTAMP:20260707T003546Z
CREATED:20260313T225649Z
LAST-MODIFIED:20260707T003546Z
UID:10001113-1789776000-1789948799@spacecalendar.com
SUMMARY:2026 International Observe the Moon Night
DESCRIPTION:Join observers around the world in learning about lunar science and exploration (and sharing your own Moon work!)\, making celestial observations\, and honoring cultural and personal connections to the Moon. 1.3M+ people in 127+ countries and all 7 continents participate. \n\nYou can participate in International Observe the Moon Night from wherever you are. Attend or host a virtual or in-person event in your community\, or observe with your family\, friends\, neighbors\, or on your own.\nShare program resources with your community via our curated one-pager.\nRegister your participation to add your event\, or yourself\, to the map of lunar observers.\n\nNote that we offer flexible programming – you may host an event or participate in the week leading up to\, and following\, October 4.\n\n\nTune in to the NASA broadcast and watch live streams of the Moon from telescopes around the world on our Live Streams page on October 4.\nConnect online to share your experience and discover how others are participating through the program Flickr group or your preferred social media platform\, using the hashtag #ObserveTheMoon.\n\nWe encourage you to interpret ‘observe’ broadly. From backyard viewing to lunar art projects to feeling the Moon through 3D prints\, there are many ways to observe\, enjoy\, and learn about the Moon. Visit our website to find creative observing suggestions\, a curated set of hands-on activities\, display banners\, and to download custom Moon Maps designed especially for this year’s event. \nRegister your participation\, find tips and resources to host and evaluate events\, sign up for our newsletter\, and much more on the International Observe the Moon Night website: moon.nasa.gov/observe. \n 
URL:https://spacecalendar.com/event/2026-international-observe-the-moon-night/
LOCATION:Worldwide
CATEGORIES:Education Program,Meeting / Conference / Symposium
ATTACH;FMTTYPE=image/jpeg:https://spacecalendar.com/wp-content/uploads/2026/03/International-Observe-the-Moon-Night.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260922
DTEND;VALUE=DATE:20260923
DTSTAMP:20260130T003701Z
CREATED:20260130T003701Z
LAST-MODIFIED:20260130T003701Z
UID:10000983-1790035200-1790121599@spacecalendar.com
SUMMARY:September Equinox
DESCRIPTION:14:02 HST (04:02 UTC); the Sun rises exactly in east traveling through sky for 12 hours\, sets exactly in west; every place on Earth experiences a ~12-hour day.
URL:https://spacecalendar.com/event/september-equinox-2/
LOCATION:Worldwide
CATEGORIES:Space / Astro Events
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260926
DTEND;VALUE=DATE:20260927
DTSTAMP:20260714T023125Z
CREATED:20251024T201500Z
LAST-MODIFIED:20260714T023125Z
UID:10000499-1790380800-1790467199@spacecalendar.com
SUMMARY:4th Anniversary: Double Asteroid Redirection Test (DART) Dimorphos Impact
DESCRIPTION:Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022\, shortening Dimorphos’ orbital period.
URL:https://spacecalendar.com/event/double-asteroid-redirection-test-dart-anniversary-observation/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261004
DTEND;VALUE=DATE:20261011
DTSTAMP:20260307T001357Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260307T001357Z
UID:10000491-1791072000-1791676799@spacecalendar.com
SUMMARY:World Space Week
DESCRIPTION:Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.
URL:https://spacecalendar.com/event/world-space-week-3/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261017
DTEND;VALUE=DATE:20261018
DTSTAMP:20251024T201459Z
CREATED:20251024T201459Z
LAST-MODIFIED:20251024T201459Z
UID:10000245-1792195200-1792281599@spacecalendar.com
SUMMARY:International Observe the Moon Night 2026
DESCRIPTION:For observation\, appreciation\, understanding of the Moon / its connection to planetary science / exploration; 1st quarter Moon is best time due to shallow angle of sunlight that illuminates details.
URL:https://spacecalendar.com/event/international-observe-the-moon-night-2026/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261021
DTEND;VALUE=DATE:20261023
DTSTAMP:20260219T015947Z
CREATED:20260219T013537Z
LAST-MODIFIED:20260219T015947Z
UID:10001020-1792540800-1792713599@spacecalendar.com
SUMMARY:Peak of Orionids Meteor Shower
DESCRIPTION:Appearing in constellation Orion\, Orionids are a Class I shower providing up to 20 per hour\, swiftly moving ~66km/sec. With activity spanning October 2 – November 12\, other nights might provide good viewing since Moon on the peak night is 80% full.
URL:https://spacecalendar.com/event/peak-of-orionids-meteor-shower/
LOCATION:Worldwide
CATEGORIES:Space / Astro Events
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261221
DTEND;VALUE=DATE:20261222
DTSTAMP:20260129T233510Z
CREATED:20260129T233510Z
LAST-MODIFIED:20260129T233510Z
UID:10000972-1797811200-1797897599@spacecalendar.com
SUMMARY:December Solstice
DESCRIPTION:10:49 HST (00:49 UTC); the Sun reaches the point where it is farthest South of the celestial equator\, marking the shortest day and longest night of the year (opposite in Southern Hemisphere).
URL:https://spacecalendar.com/event/december-solstice-2/
LOCATION:Worldwide
CATEGORIES:Space / Astro Events
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270412
DTEND;VALUE=DATE:20270413
DTSTAMP:20260714T025851Z
CREATED:20251024T201503Z
LAST-MODIFIED:20260714T025851Z
UID:10000531-1807488000-1807574399@spacecalendar.com
SUMMARY:66th Anniversary of the First Person in Space "Cosmonautics Day"
DESCRIPTION:Celebrating Yuri Gagarin\, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes at 27\,400 kph and 327 km above Earth.
URL:https://spacecalendar.com/event/66th-commemoration-of-human-spaceflight-cosmonautics-day/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270412
DTEND;VALUE=DATE:20270413
DTSTAMP:20251024T201503Z
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000545-1807488000-1807574399@spacecalendar.com
SUMMARY:Yuri’s Night Celebrations
DESCRIPTION:Launching parties around the world every year on or around April 12th\, in commemoration of Yuri Gagarin becoming the first human to venture into space on April 12\, 1961\, and the inaugural launch of the first Space Shuttle on April 12\, 1981. We use space to bring the world together\, to empower the greatest parts of who we are\, and give vision to where we are going. \nYuri’s Night was inaugurated April 12\, 2001.
URL:https://spacecalendar.com/event/yuris-night-celebrations-3/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270507
DTEND;VALUE=DATE:20270508
DTSTAMP:20251024T201503Z
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000542-1809648000-1809734399@spacecalendar.com
SUMMARY:International Space Day
DESCRIPTION:First Friday in May\, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.
URL:https://spacecalendar.com/event/international-space-day-3/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270606
DTEND;VALUE=DATE:20270608
DTSTAMP:20251024T201504Z
CREATED:20251024T201504Z
LAST-MODIFIED:20251024T201504Z
UID:10000551-1812240000-1812412799@spacecalendar.com
SUMMARY:Islamic New Year 1449 AH
DESCRIPTION:New Year 1 Muharram (1st day) to begin at sunset on Jun 6; if young New Moon is not visible the beginning of the month and year may be delayed.
URL:https://spacecalendar.com/event/islamic-new-year-1449-ah/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270630
DTEND;VALUE=DATE:20270701
DTSTAMP:20260128T215417Z
CREATED:20260128T213058Z
LAST-MODIFIED:20260128T215417Z
UID:10000644-1814313600-1814399999@spacecalendar.com
SUMMARY:Asteroid Day 2027
DESCRIPTION:UN-Sanctioned annual\, global asteroid awareness program supporting thousands of independently organized events\, providing educational resources; held on June 30\, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about 2\,150 km² of forest in Siberia\, Russia.
URL:https://spacecalendar.com/event/asteroid-day-2027/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270926
DTEND;VALUE=DATE:20270927
DTSTAMP:20260714T023131Z
CREATED:20251024T201505Z
LAST-MODIFIED:20260714T023131Z
UID:10000301-1821916800-1822003199@spacecalendar.com
SUMMARY:5th Anniversary: Double Asteroid Redirection Test (DART) Dimorphos Impact
DESCRIPTION:Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022\, shortening Dimorphos’ orbital period.
URL:https://spacecalendar.com/event/double-asteroid-redirection-test-dart-anniversary-observation-2/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271004
DTEND;VALUE=DATE:20271011
DTSTAMP:20251024T200728Z
CREATED:20251024T200728Z
LAST-MODIFIED:20251024T200728Z
UID:10000463-1822608000-1823212799@spacecalendar.com
SUMMARY:World Space Week
DESCRIPTION:Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.
URL:https://spacecalendar.com/event/world-space-week-4/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20280412
DTEND;VALUE=DATE:20280413
DTSTAMP:20251024T200721Z
CREATED:20251024T200721Z
LAST-MODIFIED:20251024T200721Z
UID:10000409-1839110400-1839196799@spacecalendar.com
SUMMARY:Yuri’s Night Celebrations
DESCRIPTION:Launching parties around the world every year on or around April 12th\, in commemoration of Yuri Gagarin becoming the first human to venture into space on April 12\, 1961\, and the inaugural launch of the first Space Shuttle on April 12\, 1981. We use space to bring the world together\, to empower the greatest parts of who we are\, and give vision to where we are going. \nYuri’s Night was inaugurated April 12\, 2001.
URL:https://spacecalendar.com/event/yuris-night-celebrations-4/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20280412
DTEND;VALUE=DATE:20280413
DTSTAMP:20260714T025914Z
CREATED:20251024T200722Z
LAST-MODIFIED:20260714T025914Z
UID:10000422-1839110400-1839196799@spacecalendar.com
SUMMARY:67th Anniversary of the First Person in Space "Cosmonautics Day"
DESCRIPTION:Celebrating Yuri Gagarin\, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes at 27\,400 kph and 327 km above Earth.
URL:https://spacecalendar.com/event/67th-commemoration-of-human-spaceflight-cosmonautics-day/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20280505
DTEND;VALUE=DATE:20280506
DTSTAMP:20251024T200721Z
CREATED:20251024T200721Z
LAST-MODIFIED:20251024T200721Z
UID:10000405-1841097600-1841183999@spacecalendar.com
SUMMARY:International Space Day
DESCRIPTION:First Friday in May\, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.
URL:https://spacecalendar.com/event/international-space-day-4/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20280630
DTEND;VALUE=DATE:20280701
DTSTAMP:20260128T215414Z
CREATED:20260128T215414Z
LAST-MODIFIED:20260128T215414Z
UID:10000646-1845936000-1846022399@spacecalendar.com
SUMMARY:Asteroid Day 2028
DESCRIPTION:UN-Sanctioned annual\, global asteroid awareness program supporting thousands of independently organized events\, providing educational resources; held on June 30\, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about 2\,150 km² of forest in Siberia\, Russia.
URL:https://spacecalendar.com/event/asteroid-day-2028/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20280926
DTEND;VALUE=DATE:20280927
DTSTAMP:20260714T023106Z
CREATED:20251024T200718Z
LAST-MODIFIED:20260714T023106Z
UID:10000390-1853539200-1853625599@spacecalendar.com
SUMMARY:6th Anniversary: Double Asteroid Redirection Test (DART) Dimorphos Impact
DESCRIPTION:Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022\, shortening Dimorphos’ orbital period.
URL:https://spacecalendar.com/event/double-asteroid-redirection-test-dart-anniversary-observation-4/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20281004
DTEND;VALUE=DATE:20281011
DTSTAMP:20251024T200718Z
CREATED:20251024T200718Z
LAST-MODIFIED:20251024T200718Z
UID:10000392-1854230400-1854835199@spacecalendar.com
SUMMARY:World Space Week
DESCRIPTION:Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.
URL:https://spacecalendar.com/event/world-space-week-5/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20290412
DTEND;VALUE=DATE:20290413
DTSTAMP:20251024T200523Z
CREATED:20251024T200523Z
LAST-MODIFIED:20251024T200523Z
UID:10000338-1870646400-1870732799@spacecalendar.com
SUMMARY:Yuri’s Night Celebrations
DESCRIPTION:Launching parties around the world every year on or around April 12th\, in commemoration of Yuri Gagarin becoming the first human to venture into space on April 12\, 1961\, and the inaugural launch of the first Space Shuttle on April 12\, 1981. We use space to bring the world together\, to empower the greatest parts of who we are\, and give vision to where we are going. \nYuri’s Night was inaugurated April 12\, 2001.
URL:https://spacecalendar.com/event/yuris-night-celebrations-5/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20290412
DTEND;VALUE=DATE:20290413
DTSTAMP:20260714T025918Z
CREATED:20251024T200523Z
LAST-MODIFIED:20260714T025918Z
UID:10000329-1870646400-1870732799@spacecalendar.com
SUMMARY:68th Anniversary of the First Person in Space "Cosmonautics Day"
DESCRIPTION:Celebrating Yuri Gagarin\, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes at 27\,400 kph and 327 km above Earth.
URL:https://spacecalendar.com/event/68th-commemoration-of-human-spaceflight-cosmonautics-day/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20290504
DTEND;VALUE=DATE:20290505
DTSTAMP:20251024T200523Z
CREATED:20251024T200523Z
LAST-MODIFIED:20251024T200523Z
UID:10000335-1872547200-1872633599@spacecalendar.com
SUMMARY:International Space Day
DESCRIPTION:First Friday in May\, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.
URL:https://spacecalendar.com/event/international-space-day-5/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20291004
DTEND;VALUE=DATE:20291011
DTSTAMP:20251024T200522Z
CREATED:20251024T200522Z
LAST-MODIFIED:20251024T200522Z
UID:10000142-1885766400-1886371199@spacecalendar.com
SUMMARY:World Space Week
DESCRIPTION:Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.
URL:https://spacecalendar.com/event/world-space-week-6/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20300412
DTEND;VALUE=DATE:20300413
DTSTAMP:20251024T200521Z
CREATED:20251024T200521Z
LAST-MODIFIED:20251024T200521Z
UID:10000121-1902182400-1902268799@spacecalendar.com
SUMMARY:Yuri’s Night Celebrations
DESCRIPTION:Launching parties around the world every year on or around April 12th\, in commemoration of Yuri Gagarin becoming the first human to venture into space on April 12\, 1961\, and the inaugural launch of the first Space Shuttle on April 12\, 1981. We use space to bring the world together\, to empower the greatest parts of who we are\, and give vision to where we are going. \nYuri’s Night was inaugurated April 12\, 2001.
URL:https://spacecalendar.com/event/yuris-night-celebrations-6/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20300412
DTEND;VALUE=DATE:20300413
DTSTAMP:20260714T025923Z
CREATED:20251024T200521Z
LAST-MODIFIED:20260714T025923Z
UID:10000277-1902182400-1902268799@spacecalendar.com
SUMMARY:69th Anniversary of the First Person in Space "Cosmonautics Day"
DESCRIPTION:Celebrating Yuri Gagarin\, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes at 27\,400 kph and 327 km above Earth.
URL:https://spacecalendar.com/event/69th-commemoration-of-human-spaceflight-cosmonautics-day/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20300503
DTEND;VALUE=DATE:20300504
DTSTAMP:20251024T200521Z
CREATED:20251024T200521Z
LAST-MODIFIED:20251024T200521Z
UID:10000116-1903996800-1904083199@spacecalendar.com
SUMMARY:International Space Day
DESCRIPTION:First Friday in May\, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.
URL:https://spacecalendar.com/event/international-space-day-6/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
END:VCALENDAR