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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.| 7283651336 Hipparchic Cycles | to common time units |
|---|---|
| 7283651336 HC | = 6.9875155534414E+19 seconds (s) |
| 7283651336 HC | = 1.1645859255736E+18 minutes (min) |
| 7283651336 HC | = 1.9409765426226E+16 hours (hr) |
| 7283651336 HC | = 8.0874022609276E+14 days (day) |
| 7283651336 HC | = 1.1553431801325E+14 weeks (wk) |
| 7283651336 HC | = 2215726646829.5 years (yr) |
| 7283651336 HC | = 26588719761954 months (mo) |
| 7283651336 HC | = 221544564154.77 decades (dec) |
| 7283651336 HC | = 22154456415.477 centuries (cent) |
| 7283651336 HC | = 2215445641.5477 millenniums (mill) |