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The galactic year, or cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. Estimates of the length of one orbit range from 225 to 250 million terrestrial years.
In relation to the base unit of [time] => (seconds), 1 Metonic Cycles (mc) is equal to 599616000 seconds, while 1 Galactic Years (gal) = 7.25328E+15 seconds.| 491000 Metonic Cycles | to common time units |
|---|---|
| 491000 mc | = 294411456000000 seconds (s) |
| 491000 mc | = 4906857600000 minutes (min) |
| 491000 mc | = 81780960000 hours (hr) |
| 491000 mc | = 3407540000 days (day) |
| 491000 mc | = 486791428.57143 weeks (wk) |
| 491000 mc | = 9335726.0273973 years (yr) |
| 491000 mc | = 112028712.32877 months (mo) |
| 491000 mc | = 933454.20418516 decades (dec) |
| 491000 mc | = 93345.420418516 centuries (cent) |
| 491000 mc | = 9334.5420418516 millenniums (mill) |