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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.| 139000 Sidereal Years | to common time units |
|---|---|
| 139000 Sy | = 4386582781056 seconds (s) |
| 139000 Sy | = 73109713017.6 minutes (min) |
| 139000 Sy | = 1218495216.96 hours (hr) |
| 139000 Sy | = 50770634.04 days (day) |
| 139000 Sy | = 7252947.72 weeks (wk) |
| 139000 Sy | = 139097.62750685 years (yr) |
| 139000 Sy | = 1669171.5300822 months (mo) |
| 139000 Sy | = 13907.998671706 decades (dec) |
| 139000 Sy | = 1390.7998671706 centuries (cent) |
| 139000 Sy | = 139.07998671706 millenniums (mill) |