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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.| 128500 Metonic Cycles | to common time units |
|---|---|
| 128500 mc | = 77050656000000 seconds (s) |
| 128500 mc | = 1284177600000 minutes (min) |
| 128500 mc | = 21402960000 hours (hr) |
| 128500 mc | = 891790000 days (day) |
| 128500 mc | = 127398571.42857 weeks (wk) |
| 128500 mc | = 2443260.2739726 years (yr) |
| 128500 mc | = 29319123.287671 months (mo) |
| 128500 mc | = 244295.0412175 decades (dec) |
| 128500 mc | = 24429.50412175 centuries (cent) |
| 128500 mc | = 2442.950412175 millenniums (mill) |