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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 Hipparchic Cycles (HC) is equal to 9593424000 seconds, while 1 Galactic Years (gal) = 7.25328E+15 seconds.| 7983704110 Hipparchic Cycles | to common time units |
|---|---|
| 7983704110 HC | = 7.6591058617773E+19 seconds (s) |
| 7983704110 HC | = 1.2765176436295E+18 minutes (min) |
| 7983704110 HC | = 2.1275294060492E+16 hours (hr) |
| 7983704110 HC | = 8.8647058585385E+14 days (day) |
| 7983704110 HC | = 1.2663865512198E+14 weeks (wk) |
| 7983704110 HC | = 2428686536585.9 years (yr) |
| 7983704110 HC | = 29144238439031 months (mo) |
| 7983704110 HC | = 242837852307.46 decades (dec) |
| 7983704110 HC | = 24283785230.746 centuries (cent) |
| 7983704110 HC | = 2428378523.0746 millenniums (mill) |