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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 Sidereal Days (Sd) is equal to 86164.1 seconds, while 1 Galactic Years (gal) = 7.25328E+15 seconds.| 9983015318 Sidereal Days | to common time units |
|---|---|
| 9983015318 Sd | = 8.6017753016168E+14 seconds (s) |
| 9983015318 Sd | = 14336292169361 minutes (min) |
| 9983015318 Sd | = 238938202822.69 hours (hr) |
| 9983015318 Sd | = 9955758450.9454 days (day) |
| 9983015318 Sd | = 1422251207.2779 weeks (wk) |
| 9983015318 Sd | = 27276050.550535 years (yr) |
| 9983015318 Sd | = 327312606.60642 months (mo) |
| 9983015318 Sd | = 2727259.1317745 decades (dec) |
| 9983015318 Sd | = 272725.91317745 centuries (cent) |
| 9983015318 Sd | = 27272.591317745 millenniums (mill) |