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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 Tropical Years (TY) = 31556925.445 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 Tropical Years (table conversion) |
|---|---|
| 1 gal | = 229847486.65207 TY |
| 2 gal | = 459694973.30414 TY |
| 3 gal | = 689542459.95621 TY |
| 4 gal | = 919389946.60828 TY |
| 5 gal | = 1149237433.2603 TY |
| 6 gal | = 1379084919.9124 TY |
| 7 gal | = 1608932406.5645 TY |
| 8 gal | = 1838779893.2166 TY |
| 9 gal | = 2068627379.8686 TY |
| 10 gal | = 2298474866.5207 TY |
| 20 gal | = 4596949733.0414 TY |
| 30 gal | = 6895424599.5621 TY |
| 40 gal | = 9193899466.0828 TY |
| 50 gal | = 11492374332.603 TY |
| 60 gal | = 13790849199.124 TY |
| 70 gal | = 16089324065.645 TY |
| 80 gal | = 18387798932.166 TY |
| 90 gal | = 20686273798.686 TY |
| 100 gal | = 22984748665.207 TY |
| 200 gal | = 45969497330.414 TY |
| 300 gal | = 68954245995.621 TY |
| 400 gal | = 91938994660.828 TY |
| 500 gal | = 114923743326.03 TY |
| 600 gal | = 137908491991.24 TY |
| 700 gal | = 160893240656.45 TY |
| 800 gal | = 183877989321.66 TY |
| 900 gal | = 206862737986.86 TY |
| 1000 gal | = 229847486652.07 TY |
| 2000 gal | = 459694973304.14 TY |
| 4000 gal | = 919389946608.28 TY |
| 5000 gal | = 1149237433260.3 TY |
| 7500 gal | = 1723856149890.5 TY |
| 10000 gal | = 2298474866520.7 TY |
| 25000 gal | = 5746187166301.7 TY |
| 50000 gal | = 11492374332603 TY |
| 100000 gal | = 22984748665207 TY |
| 1000000 gal | = 2.2984748665207E+14 TY |
| 1000000000 gal | = 2.2984748665207E+17 TY |