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The hour (common symbol: h or hr, h being the international form of the symbol) is a unit of measurement of time. In modern usage, an hour comprises 60 minutes, or 3,600 second ..more definition+
In relation to the base unit of [time] => (seconds), 1 Sidereal Years (Sy) is equal to 31558149.504 seconds, while 1 Hours (hr) = 3600 seconds.| 5439000000000 Sidereal Years | to common time units |
|---|---|
| 5439000000000 Sy | = 1.7164477515226E+20 seconds (s) |
| 5439000000000 Sy | = 2.8607462525376E+18 minutes (min) |
| 5439000000000 Sy | = 4.767910420896E+16 hours (hr) |
| 5439000000000 Sy | = 1.98662934204E+15 days (day) |
| 5439000000000 Sy | = 2.8380419172E+14 weeks (wk) |
| 5439000000000 Sy | = 5442820115178.1 years (yr) |
| 5439000000000 Sy | = 65313841382137 months (mo) |
| 5439000000000 Sy | = 544212983995.74 decades (dec) |
| 5439000000000 Sy | = 54421298399.574 centuries (cent) |
| 5439000000000 Sy | = 5442129839.9574 millenniums (mill) |