How is International Day of Human Space Flight calculated?

This event is observed every year on 12 April.

When is International Day of Human Space Flight 2289?

Name: International Day of Human Space Flight
Start: 2289-04-12
End: 2289-04-12
Location: Worldwide

International Day of Human Space Flight marks the beginning of human space exploration.

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When is International Day of Human Space Flight 2289?: International Day of Human Space Flight 2289 is on Friday, 12 April 2289.
What day of the week is International Day of Human Space Flight 2289?: It falls on Friday.
How is International Day of Human Space Flight calculated?: This event is observed every year on 12 April.