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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.305900 Hipparchic Cycles | to common time units |
---|---|
305900 HC | = 2934628401600000 seconds (s) |
305900 HC | = 48910473360000 minutes (min) |
305900 HC | = 815174556000 hours (hr) |
305900 HC | = 33965606500 days (day) |
305900 HC | = 4852229500 weeks (wk) |
305900 HC | = 93056456.164384 years (yr) |
305900 HC | = 1116677473.9726 months (mo) |
305900 HC | = 9304465.4457831 decades (dec) |
305900 HC | = 930446.54457831 centuries (cent) |
305900 HC | = 93044.654457831 millenniums (mill) |