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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.| 365000 Hipparchic Cycles | to common time units |
|---|---|
| 365000 HC | = 3501599760000000 seconds (s) |
| 365000 HC | = 58359996000000 minutes (min) |
| 365000 HC | = 972666600000 hours (hr) |
| 365000 HC | = 40527775000 days (day) |
| 365000 HC | = 5789682142.8571 weeks (wk) |
| 365000 HC | = 111035000 years (yr) |
| 365000 HC | = 1332420000 months (mo) |
| 365000 HC | = 11102091.819911 decades (dec) |
| 365000 HC | = 1110209.1819911 centuries (cent) |
| 365000 HC | = 111020.91819911 millenniums (mill) |