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CNN

One small step for man, one giant leap for timekeeping

CNN · Just In
CNN
CNN
Just In

Time ticks differently on the Moon. 56 years after the Apollo 11 landing, CNN’s Boris Sanchez explores how NASA and its partners are developing a new way to measure time in space.

Breakdown
  • The anniversary of Apollo 11 marks renewed interest in lunar exploration.
  • NASA plans to return astronauts to the moon for the first time in decades. 11s
  • Time passes differently on the moon due to general relativity and gravity. 27s
  • A lunar day is 56 microseconds shorter than an Earth day. 1m 2s
  • NASA and partners are developing a new lunar timescale to support future missions. 1m 28s
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