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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.| 19 Hipparchic Cycles | to common time units |
|---|---|
| 19 HC | = 182275056000 seconds (s) |
| 19 HC | = 3037917600 minutes (min) |
| 19 HC | = 50631960 hours (hr) |
| 19 HC | = 2109665 days (day) |
| 19 HC | = 301380.71428571 weeks (wk) |
| 19 HC | = 5779.904109589 years (yr) |
| 19 HC | = 69358.849315068 months (mo) |
| 19 HC | = 577.91710843373 decades (dec) |
| 19 HC | = 57.791710843373 centuries (cent) |
| 19 HC | = 5.7791710843373 millenniums (mill) |