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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.75700 Hipparchic Cycles | to common time units |
---|---|
75700 HC | = 726222196800000 seconds (s) |
75700 HC | = 12103703280000 minutes (min) |
75700 HC | = 201728388000 hours (hr) |
75700 HC | = 8405349500 days (day) |
75700 HC | = 1200764214.2857 weeks (wk) |
75700 HC | = 23028354.794521 years (yr) |
75700 HC | = 276340257.53425 months (mo) |
75700 HC | = 2302543.4267597 decades (dec) |
75700 HC | = 230254.34267597 centuries (cent) |
75700 HC | = 23025.434267597 millenniums (mill) |