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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.| 4777000000 Metonic Cycles | to common time units |
|---|---|
| 4777000000 mc | = 2864365632000000000 seconds (s) |
| 4777000000 mc | = 47739427200000000 minutes (min) |
| 4777000000 mc | = 795657120000000 hours (hr) |
| 4777000000 mc | = 33152380000000 days (day) |
| 4777000000 mc | = 4736054285714.3 weeks (wk) |
| 4777000000 mc | = 90828438356.164 years (yr) |
| 4777000000 mc | = 1089941260274 months (mo) |
| 4777000000 mc | = 9081691921.3697 decades (dec) |
| 4777000000 mc | = 908169192.13697 centuries (cent) |
| 4777000000 mc | = 90816919.213697 millenniums (mill) |