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A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon; month and Moon are cognates. The traditional concept arose with the cycle of moon phases; such months are synodic months and last approximately 29.53 days. From excavated tally sticks, researchers have deduced that people counted days in relation to the Moon's phases as early as the Paleolithic age. Synodic months, based on the Moon's orbital period with respect to the Earth-Sun line, are still the basis of many calendars today, and are used to divide the year.

Symbol/abbreviation: mo
Unit of: TIME
TIME's base unit: seconds (SI Unit)
In relation to the base unit (seconds), 1 Months = 2628000 seconds.
[Conversion table] 1 Months (mo) to all time units
1 mo= 8.33333333333E-11 aeons (eon)
1 mo= 1.08645132385E+23 atomic unit of time (au)
1 mo= 2.628E+24 attoseconds (as)
1 mo= 0.00109574072073 callippic cycles (cali)
1 mo= 0.000833227647432 centuries (cent)
1 mo= 30.4166666667 days (day)
1 mo= 0.00833227647432 decades (dec)
1 mo= 2.628E-12 exaseconds (Es)
1 mo= 2.628E+21 femtoseconds (fs)
1 mo= 2.17190082645 fortnights (fn)
1 mo= 3.6231884058E-10 galactic years (gal)
1 mo= 0.002628 gigaseconds (Gs)
1 mo= 0.0832780047959 gregorian years (GY)
1 mo= 788400.788401 helek (h)
1 mo= 0.000273937647288 hipparchic cycles (HC)
1 mo= 730 hours (hr)
1 mo= 3.6231884058E-10 indictions (in)
1 mo= 157680000.063 jiffies (jiffy)
1 mo= 2920 ke (ke)
1 mo= 2628 kiloseconds (Ks)
1 mo= 0.0831056466302 leap years (ly)
1 mo= 1.0300053815 lunar months (lm)
1 mo= 0.0166666666667 lustrums (L)
1 mo= 2.628 megaseconds (Ms)
1 mo= 0.0043828049952 metonic cycles (mc)
1 mo= 2.628E+12 microseconds (µs)
1 mo= 8.33227647432E-5 millenniums (mill)
1 mo= 30416.6666667 millidays (md)
1 mo= 2628000000 milliseconds (ms)
1 mo= 43800 minutes (min)
1 mo= 29200 moments (moment)
1 mo= 1 months (mo)
1 mo= 2.628E+15 nanoseconds (ns)
1 mo= 0.0104095368469 octaeteris (octa)
1 mo= 0.0208190736938 olympiads (o)
1 mo= 2.628E-9 petaseconds (Ps)
1 mo= 2.628E+18 picoseconds (ps)
1 mo= 4.87460143456E+49 planck times (tp)
1 mo= 2628000 seconds (s)
1 mo= 2.628E+14 shakes (shake)
1 mo= 30.4999413909 sidereal days (Sd)
1 mo= 0.0832748447328 sidereal years (Sy)
1 mo= 2.628E+12 sigmas (Sigma)
1 mo= 5.70385580653E-5 sothic cycles (Sc)
1 mo= 2.628E+19 svedbergs (S)
1 mo= 2.628E-6 teraseconds (Ts)
1 mo= 0.0832780748739 tropical years (TY)
1 mo= 4.34523809524 weeks (wk)
1 mo= 0.0833333333333 years (yr)
1 mo= 2.628E+30 yoctoseconds (ys)
1 mo= 2.628E-18 yottaseconds (Ys)
1 mo= 2.628E+27 zeptoseconds (zs)
1 mo= 2.628E-15 zettaseconds (Zs)
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