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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.| 64 Hipparchic Cycles | to common time units |
|---|---|
| 64 HC | = 613979136000 seconds (s) |
| 64 HC | = 10232985600 minutes (min) |
| 64 HC | = 170549760 hours (hr) |
| 64 HC | = 7106240 days (day) |
| 64 HC | = 1015177.1428571 weeks (wk) |
| 64 HC | = 19469.150684932 years (yr) |
| 64 HC | = 233629.80821918 months (mo) |
| 64 HC | = 1946.6681547242 decades (dec) |
| 64 HC | = 194.66681547242 centuries (cent) |
| 64 HC | = 19.466681547242 millenniums (mill) |