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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.437500 Hipparchic Cycles | to common time units |
---|---|
437500 HC | = 4197123000000000 seconds (s) |
437500 HC | = 69952050000000 minutes (min) |
437500 HC | = 1165867500000 hours (hr) |
437500 HC | = 48577812500 days (day) |
437500 HC | = 6939687500 weeks (wk) |
437500 HC | = 133089897.26027 years (yr) |
437500 HC | = 1597078767.1233 months (mo) |
437500 HC | = 13307301.838935 decades (dec) |
437500 HC | = 1330730.1838935 centuries (cent) |
437500 HC | = 133073.01838935 millenniums (mill) |