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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.| 3938027853 Hipparchic Cycles | to common time units |
|---|---|
| 3938027853 HC | = 3.7779170917639E+19 seconds (s) |
| 3938027853 HC | = 6.2965284862731E+17 minutes (min) |
| 3938027853 HC | = 1.0494214143789E+16 hours (hr) |
| 3938027853 HC | = 4.3725892265785E+14 days (day) |
| 3938027853 HC | = 62465560379694 weeks (wk) |
| 3938027853 HC | = 1197969651117.4 years (yr) |
| 3938027853 HC | = 14375635813409 months (mo) |
| 3938027853 HC | = 119781772091.44 decades (dec) |
| 3938027853 HC | = 11978177209.144 centuries (cent) |
| 3938027853 HC | = 1197817720.9144 millenniums (mill) |