• Time is a measurement to define a continuous series of events.

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Conversion

Reference Unit Conversion Factor Unit
time (seconds) 0,000 000 000 000 000 000 000 001 yoctosecond (ys)
0,000 000 000 000 000 000 001 zeptosecond (zs)
0,000 000 000 000 000 001 attosecond (as)
0,000 000 000 000 001 femtosecond (fs)
0,000 000 000 001 (trillionth) picosecond (ps)
0,000 000 001 (billionth) nanosecond (ns)
0,000 001 (millionth) microsecond (us)
0,001 (thousandth) millisecond (ms)
0.01 (hundredth) centisecond (cs)
1 second (s)
time (year) 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 meters 1 light year
299,792,458 meters per sec (m/s) speed of light
parsec approx. 3.25 light years
time (years) biennial 2
triennial 3
quadrennial 4
quinquennial 5
hexennial 6
septennial 7
octennial 8
novennial 9
decennial 10
hendecennial 11
duodecennial 12
tredecennial 13
quindecennial 15
sextodecennial 16
septendecennial 17
vigintennial 20
trigentennial 30
quadragennial 40
quinquagenary 50
sexagennial 60
septuagennial 70
octogintennial 80
nonagintennial 90
centennial 100
sesquicentennial 150
bicentennial 200
tercentennial 300
quatercentenary 400
quincentennial 500
sexcentennial 600
septcentennial 700
octocentennial 800
nanacentennial 900
millenial 1,000
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