Related articles:
Day
Standard time
Solar time
Greenwich Mean Time
International Atomic Time
Leap second
Sidereal time
Prime Meridian
Time zone
Second
Coordinated Universal Time
Royal Observatory, Greenwich
Julian day
Marine chronometer
Clock
Key terms:
time
day
utc
earth
seconds
mean
rotation
tai
zones
atomic
clocks
pi t
universal time
gmt
cdot
motion
greenwich
meridian
versions
local
observations
smoothed
international
reference
length
standard time
julian
leap second
solar time
astronomers
broadcast
mean solar
civil time
determined
observatory
corrections
introduction
earth rotation
greenwich mean time
smoothed version
standard time zones
rotation of the earth
international atomic time
Search external links cited by footnotes on Wikipedia page Universal Time:
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