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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.| 42000 Hipparchic Cycles | to common time units |
|---|---|
| 42000 HC | = 402923808000000 seconds (s) |
| 42000 HC | = 6715396800000 minutes (min) |
| 42000 HC | = 111923280000 hours (hr) |
| 42000 HC | = 4663470000 days (day) |
| 42000 HC | = 666210000 weeks (wk) |
| 42000 HC | = 12776630.136986 years (yr) |
| 42000 HC | = 153319561.64384 months (mo) |
| 42000 HC | = 1277500.9765377 decades (dec) |
| 42000 HC | = 127750.09765377 centuries (cent) |
| 42000 HC | = 12775.009765377 millenniums (mill) |