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Seconds Minutes Hours Days Months Years Table


Seconds Minutes Hours Days Months Years Table

From Eq To
60 seconds = 1 minute [ mean solar ]
59.83617 seconds = 1 minute [ sidereal ]
60 minutes = 1 hour
24 hours = 1 day
3,600 seconds = 1 hour
86,400 seconds = 1 day [ mean solar ]
86,164.09 seconds = 1 day [ sidereal ]
7 days = 1 week
168 hours = 1 week
14 days = 1 fortnight
28, 29, 30 or 31 days = 1 month
365 days = 1 year
366 days = 1 leap year
12 months = 1 year
31,536,000 seconds = 1 year [ calendar ]
31,558,150 seconds = 1 year [ sidereal ]
31,556,930 seconds = 1 year [ tropical ]
9,460,550,000,000,000 metres = 1 light year
299,792,458 metres per second ( m/s ) = speed of light
parsec = approx. 3.25 light years
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