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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 Days (Sd) is equal to 86164.1 seconds, while 1 Hours (hr) = 3600 seconds.| 686400 Sidereal Days | to common time units |
|---|---|
| 686400 Sd | = 59143038240 seconds (s) |
| 686400 Sd | = 985717304 minutes (min) |
| 686400 Sd | = 16428621.733333 hours (hr) |
| 686400 Sd | = 684525.90555556 days (day) |
| 686400 Sd | = 97789.415079365 weeks (wk) |
| 686400 Sd | = 1875.4134398782 years (yr) |
| 686400 Sd | = 22504.961278539 months (mo) |
| 686400 Sd | = 187.51755941661 decades (dec) |
| 686400 Sd | = 18.751755941661 centuries (cent) |
| 686400 Sd | = 1.8751755941661 millenniums (mill) |