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.| 1 Galactic Years | to common time units |
|---|---|
| 1 gal | = 7.25328E+15 seconds (s) |
| 1 gal | = 1.20888E+14 minutes (min) |
| 1 gal | = 2014800000000 hours (hr) |
| 1 gal | = 83950000000 days (day) |
| 1 gal | = 11992857142.857 weeks (wk) |
| 1 gal | = 230000000 years (yr) |
| 1 gal | = 2760000000 months (mo) |
| 1 gal | = 22997083.069119 decades (dec) |
| 1 gal | = 2299708.3069119 centuries (cent) |
| 1 gal | = 229970.83069119 millenniums (mill) |
| Galactic Years | to Leap Years (table conversion) |
|---|---|
| 1 gal | = 229371584.69945 ly |
| 2 gal | = 458743169.39891 ly |
| 3 gal | = 688114754.09836 ly |
| 4 gal | = 917486338.79781 ly |
| 5 gal | = 1146857923.4973 ly |
| 6 gal | = 1376229508.1967 ly |
| 7 gal | = 1605601092.8962 ly |
| 8 gal | = 1834972677.5956 ly |
| 9 gal | = 2064344262.2951 ly |
| 10 gal | = 2293715846.9945 ly |
| 20 gal | = 4587431693.9891 ly |
| 30 gal | = 6881147540.9836 ly |
| 40 gal | = 9174863387.9781 ly |
| 50 gal | = 11468579234.973 ly |
| 60 gal | = 13762295081.967 ly |
| 70 gal | = 16056010928.962 ly |
| 80 gal | = 18349726775.956 ly |
| 90 gal | = 20643442622.951 ly |
| 100 gal | = 22937158469.945 ly |
| 200 gal | = 45874316939.891 ly |
| 300 gal | = 68811475409.836 ly |
| 400 gal | = 91748633879.781 ly |
| 500 gal | = 114685792349.73 ly |
| 600 gal | = 137622950819.67 ly |
| 700 gal | = 160560109289.62 ly |
| 800 gal | = 183497267759.56 ly |
| 900 gal | = 206434426229.51 ly |
| 1000 gal | = 229371584699.45 ly |
| 2000 gal | = 458743169398.91 ly |
| 4000 gal | = 917486338797.81 ly |
| 5000 gal | = 1146857923497.3 ly |
| 7500 gal | = 1720286885245.9 ly |
| 10000 gal | = 2293715846994.5 ly |
| 25000 gal | = 5734289617486.3 ly |
| 50000 gal | = 11468579234973 ly |
| 100000 gal | = 22937158469945 ly |
| 1000000 gal | = 2.2937158469945E+14 ly |
| 1000000000 gal | = 2.2937158469945E+17 ly |