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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.| 2782000000 Hipparchic Cycles | to common time units |
|---|---|
| 2782000000 HC | = 2.6688905568E+19 seconds (s) |
| 2782000000 HC | = 4.448150928E+17 minutes (min) |
| 2782000000 HC | = 7.41358488E+15 hours (hr) |
| 2782000000 HC | = 3.0889937E+14 days (day) |
| 2782000000 HC | = 44128481428571 weeks (wk) |
| 2782000000 HC | = 846299643835.62 years (yr) |
| 2782000000 HC | = 10155595726027 months (mo) |
| 2782000000 HC | = 84619231350.666 decades (dec) |
| 2782000000 HC | = 8461923135.0666 centuries (cent) |
| 2782000000 HC | = 846192313.50666 millenniums (mill) |