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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.| 7350403586 Hipparchic Cycles | to common time units |
|---|---|
| 7350403586 HC | = 7.0515538171618E+19 seconds (s) |
| 7350403586 HC | = 1.175258969527E+18 minutes (min) |
| 7350403586 HC | = 1.9587649492116E+16 hours (hr) |
| 7350403586 HC | = 8.1615206217151E+14 days (day) |
| 7350403586 HC | = 1.1659315173879E+14 weeks (wk) |
| 7350403586 HC | = 2236033047045.2 years (yr) |
| 7350403586 HC | = 26832396564543 months (mo) |
| 7350403586 HC | = 223574946644.32 decades (dec) |
| 7350403586 HC | = 22357494664.432 centuries (cent) |
| 7350403586 HC | = 2235749466.4432 millenniums (mill) |