Template:Time measurement and standards/sandbox
From Infogalactic: the planetary knowledge core
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Time measurement and standards
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Major subjects | ||
International standards | ||
Obsolete standards | ||
Time in physics | ||
Horology | ||
Calendar |
Astronomical · Calculating the day of the week · Dominical letter · Epact · Equinox · Gregorian · Intercalation · Islamic · Julian · Leap year · Lunar · Lunisolar · Seven-day week · Solar · Solstice · Tropical year · Week-day names
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Archaeology & geology | ||
Astronomical chronology | ||
Units of time | ||
Related topics |
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