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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.| 228000 Hipparchic Cycles | to common time units |
|---|---|
| 228000 HC | = 2187300672000000 seconds (s) |
| 228000 HC | = 36455011200000 minutes (min) |
| 228000 HC | = 607583520000 hours (hr) |
| 228000 HC | = 25315980000 days (day) |
| 228000 HC | = 3616568571.4286 weeks (wk) |
| 228000 HC | = 69358849.315068 years (yr) |
| 228000 HC | = 832306191.78082 months (mo) |
| 228000 HC | = 6935005.3012048 decades (dec) |
| 228000 HC | = 693500.53012048 centuries (cent) |
| 228000 HC | = 69350.053012048 millenniums (mill) |