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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.| 1284621272 Sidereal Days | to common time units |
|---|---|
| 1284621272 Sd | = 1.1068823574274E+14 seconds (s) |
| 1284621272 Sd | = 1844803929045.6 minutes (min) |
| 1284621272 Sd | = 30746732150.76 hours (hr) |
| 1284621272 Sd | = 1281113839.615 days (day) |
| 1284621272 Sd | = 183016262.80214 weeks (wk) |
| 1284621272 Sd | = 3509900.930452 years (yr) |
| 1284621272 Sd | = 42118811.165424 months (mo) |
| 1284621272 Sd | = 350945.57939992 decades (dec) |
| 1284621272 Sd | = 35094.557939992 centuries (cent) |
| 1284621272 Sd | = 3509.4557939992 millenniums (mill) |