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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 Galactic Years (gal) is equal to 7.25328E+15 seconds, while 1 Leap Years (ly) = 31622400 seconds.| 11900 Galactic Years | to common time units |
|---|---|
| 11900 gal | = 8.6314032E+19 seconds (s) |
| 11900 gal | = 1.4385672E+18 minutes (min) |
| 11900 gal | = 2.397612E+16 hours (hr) |
| 11900 gal | = 9.99005E+14 days (day) |
| 11900 gal | = 1.42715E+14 weeks (wk) |
| 11900 gal | = 2737000000000 years (yr) |
| 11900 gal | = 32844000000000 months (mo) |
| 11900 gal | = 273665288522.51 decades (dec) |
| 11900 gal | = 27366528852.251 centuries (cent) |
| 11900 gal | = 2736652885.2251 millenniums (mill) |