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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.| 9872000000 Sidereal Years | to common time units |
|---|---|
| 9872000000 Sy | = 3.1154205190349E+17 seconds (s) |
| 9872000000 Sy | = 5.1923675317248E+15 minutes (min) |
| 9872000000 Sy | = 86539458862080 hours (hr) |
| 9872000000 Sy | = 3605810785920 days (day) |
| 9872000000 Sy | = 515115826560 weeks (wk) |
| 9872000000 Sy | = 9878933660.0548 years (yr) |
| 9872000000 Sy | = 118547203920.66 months (mo) |
| 9872000000 Sy | = 987768078.32431 decades (dec) |
| 9872000000 Sy | = 98776807.832431 centuries (cent) |
| 9872000000 Sy | = 9877680.7832431 millenniums (mill) |