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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.| 1 Hipparchic Cycles | to common time units |
|---|---|
| 1 HC | = 9593424000 seconds (s) |
| 1 HC | = 159890400 minutes (min) |
| 1 HC | = 2664840 hours (hr) |
| 1 HC | = 111035 days (day) |
| 1 HC | = 15862.142857143 weeks (wk) |
| 1 HC | = 304.20547945205 years (yr) |
| 1 HC | = 3650.4657534247 months (mo) |
| 1 HC | = 30.416689917565 decades (dec) |
| 1 HC | = 3.0416689917565 centuries (cent) |
| 1 HC | = 0.30416689917565 millenniums (mill) |
| Hipparchic Cycles | to Galactic Years (table conversion) |
|---|---|
| 1 HC | = 1.3226325193568E-6 gal |
| 2 HC | = 2.6452650387135E-6 gal |
| 3 HC | = 3.9678975580703E-6 gal |
| 4 HC | = 5.290530077427E-6 gal |
| 5 HC | = 6.6131625967838E-6 gal |
| 6 HC | = 7.9357951161406E-6 gal |
| 7 HC | = 9.2584276354973E-6 gal |
| 8 HC | = 1.0581060154854E-5 gal |
| 9 HC | = 1.1903692674211E-5 gal |
| 10 HC | = 1.3226325193568E-5 gal |
| 20 HC | = 2.6452650387135E-5 gal |
| 30 HC | = 3.9678975580703E-5 gal |
| 40 HC | = 5.290530077427E-5 gal |
| 50 HC | = 6.6131625967838E-5 gal |
| 60 HC | = 7.9357951161406E-5 gal |
| 70 HC | = 9.2584276354973E-5 gal |
| 80 HC | = 0.00010581060154854 gal |
| 90 HC | = 0.00011903692674211 gal |
| 100 HC | = 0.00013226325193568 gal |
| 200 HC | = 0.00026452650387135 gal |
| 300 HC | = 0.00039678975580703 gal |
| 400 HC | = 0.0005290530077427 gal |
| 500 HC | = 0.00066131625967838 gal |
| 600 HC | = 0.00079357951161406 gal |
| 700 HC | = 0.00092584276354973 gal |
| 800 HC | = 0.0010581060154854 gal |
| 900 HC | = 0.0011903692674211 gal |
| 1000 HC | = 0.0013226325193568 gal |
| 2000 HC | = 0.0026452650387135 gal |
| 4000 HC | = 0.005290530077427 gal |
| 5000 HC | = 0.0066131625967838 gal |
| 7500 HC | = 0.0099197438951757 gal |
| 10000 HC | = 0.013226325193568 gal |
| 25000 HC | = 0.033065812983919 gal |
| 50000 HC | = 0.066131625967838 gal |
| 100000 HC | = 0.13226325193568 gal |
| 1000000 HC | = 1.3226325193568 gal |
| 1000000000 HC | = 1322.6325193568 gal |