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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.| 5175783965 Hipparchic Cycles | to common time units |
|---|---|
| 5175783965 HC | = 4.9653490108646E+19 seconds (s) |
| 5175783965 HC | = 8.2755816847744E+17 minutes (min) |
| 5175783965 HC | = 1.3792636141291E+16 hours (hr) |
| 5175783965 HC | = 5.7469317255378E+14 days (day) |
| 5175783965 HC | = 82099024650539 weeks (wk) |
| 5175783965 HC | = 1574501842613.1 years (yr) |
| 5175783965 HC | = 18894022111357 months (mo) |
| 5175783965 HC | = 157430215943.71 decades (dec) |
| 5175783965 HC | = 15743021594.371 centuries (cent) |
| 5175783965 HC | = 1574302159.4371 millenniums (mill) |