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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.| 4778374423 Sidereal Years | to common time units |
|---|---|
| 4778374423 Sy | = 1.5079665442712E+17 seconds (s) |
| 4778374423 Sy | = 2.5132775737854E+15 minutes (min) |
| 4778374423 Sy | = 41887959563090 hours (hr) |
| 4778374423 Sy | = 1745331648462.1 days (day) |
| 4778374423 Sy | = 249333092637.44 weeks (wk) |
| 4778374423 Sy | = 4781730543.7317 years (yr) |
| 4778374423 Sy | = 57380766524.781 months (mo) |
| 4778374423 Sy | = 478112410.99278 decades (dec) |
| 4778374423 Sy | = 47811241.099278 centuries (cent) |
| 4778374423 Sy | = 4781124.1099278 millenniums (mill) |