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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.418800 Hipparchic Cycles | to common time units |
---|---|
418800 HC | = 4017725971200000 seconds (s) |
418800 HC | = 66962099520000 minutes (min) |
418800 HC | = 1116034992000 hours (hr) |
418800 HC | = 46501458000 days (day) |
418800 HC | = 6643065428.5714 weeks (wk) |
418800 HC | = 127401254.79452 years (yr) |
418800 HC | = 1528815057.5342 months (mo) |
418800 HC | = 12738509.737476 decades (dec) |
418800 HC | = 1273850.9737476 centuries (cent) |
418800 HC | = 127385.09737476 millenniums (mill) |