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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.| 8685000000 Sidereal Years | to common time units |
|---|---|
| 8685000000 Sy | = 2.7408252844224E+17 seconds (s) |
| 8685000000 Sy | = 4.568042140704E+15 minutes (min) |
| 8685000000 Sy | = 76134035678400 hours (hr) |
| 8685000000 Sy | = 3172251486600 days (day) |
| 8685000000 Sy | = 453178783800 weeks (wk) |
| 8685000000 Sy | = 8691099963.2877 years (yr) |
| 8685000000 Sy | = 104293199559.45 months (mo) |
| 8685000000 Sy | = 868999773.12061 decades (dec) |
| 8685000000 Sy | = 86899977.312061 centuries (cent) |
| 8685000000 Sy | = 8689997.7312061 millenniums (mill) |