BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Space Calendar - ECPv6.16.5.1//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Space Calendar
X-ORIGINAL-URL:https://spacecalendar.com
X-WR-CALDESC:Events for Space Calendar
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Pacific/Honolulu
BEGIN:STANDARD
TZOFFSETFROM:-1000
TZOFFSETTO:-1000
TZNAME:HST
DTSTART:20260101T000000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270410
DTEND;VALUE=DATE:20270411
DTSTAMP:20251024T201503Z
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000546-1807315200-1807401599@spacecalendar.com
SUMMARY:Pōwehi Day
DESCRIPTION:Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories\, given the Hawaiian name Pōwehi; imaged in April 2017 and released Apr 10\, 2019.
URL:https://spacecalendar.com/event/powehi-day-3/
LOCATION:Statewide Hawai’i\, USA
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270412
DTEND;VALUE=DATE:20270413
DTSTAMP:20251024T201503Z
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000531-1807488000-1807574399@spacecalendar.com
SUMMARY:66th Commemoration of Human Spaceflight / 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:20270412
DTEND;VALUE=DATE:20270416
DTSTAMP:20260417T024844Z
CREATED:20260417T022623Z
LAST-MODIFIED:20260417T024844Z
UID:10001225-1807488000-1807833599@spacecalendar.com
SUMMARY:42nd Space Symposium
DESCRIPTION:Theme: TBA. Expecting 10\,000+ registrants\, 240+ exhibitors\, 24 space agencies\, 1500+ organizations. Access to specific Track Programming ONLY available at less than full-conference fee.
URL:https://spacecalendar.com/event/41st-space-foundation-space-symposium-2/
LOCATION:Colorado Springs CO\, USA
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270418
DTEND;VALUE=DATE:20270419
DTSTAMP:20260515T025537Z
CREATED:20251031T203301Z
LAST-MODIFIED:20260515T025537Z
UID:10000624-1808006400-1808092799@spacecalendar.com
SUMMARY:9th Anniversary of Transiting Exoplanet Survey Satellite (TESS) Launch
DESCRIPTION:Space telescope for NASA Explorers program\, reaches 9th full year in space today\, designed to search for exoplanets using the transit method in an area 400 times larger than that covered by Kepler / K2 mission; launched April 18\, 2018.
URL:https://spacecalendar.com/event/transiting-exoplanet-survey-satellite-tess-begins-next-year-in-space-2/
LOCATION:High Earth Orbit (HEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270424
DTEND;VALUE=DATE:20270425
DTSTAMP:20260619T031249Z
CREATED:20251024T201503Z
LAST-MODIFIED:20260619T031249Z
UID:10000534-1808524800-1808611199@spacecalendar.com
SUMMARY:37th Anniversary of Hubble Space Telescope Launch
DESCRIPTION:NASA spacecraft with 2.4-meter diameter main telescope begins 38th year in space today\, launched Apr 24\, 1990; could continue operations until 2040s.
URL:https://spacecalendar.com/event/hubble-space-telescope-begins-next-year-in-space/
LOCATION:Low Earth Orbit (LEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270424
DTEND;VALUE=DATE:20270425
DTSTAMP:20260605T020910Z
CREATED:20251024T201503Z
LAST-MODIFIED:20260605T020910Z
UID:10000536-1808524800-1808611199@spacecalendar.com
SUMMARY:Tianwen-2 Departs Kamo’oalewa (2016 HO3)
DESCRIPTION:China Tianwen-2 asteroid sample return mission planned to depart Kamo’oalewa (2016 HO3) today and return to Earth with least 100 grams of sample\, to enter Earth atmosphere on Nov 29\, 2027.
URL:https://spacecalendar.com/event/tianwen-2-departs-kamooalewa-2016-ho3/
LOCATION:Earth Trajectory
CATEGORIES:Space Event / Encounter
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270424
DTEND;VALUE=DATE:20270425
DTSTAMP:20251024T201503Z
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000544-1808524800-1808611199@spacecalendar.com
SUMMARY:National Day of Space Flight
DESCRIPTION:Commemorating the launch of China’s first satellite\, Dongfanghong-1 on April 24\, 1970.
URL:https://spacecalendar.com/event/national-day-of-space-flight-3/
LOCATION:China (Zhongguo)
CATEGORIES:Observation / Anniversary
END:VEVENT
END:VCALENDAR