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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.| 9148288890 Sidereal Years | to common time units |
|---|---|
| 9148288890 Sy | = 2.887030684964E+17 seconds (s) |
| 9148288890 Sy | = 4.8117178082734E+15 minutes (min) |
| 9148288890 Sy | = 80195296804556 hours (hr) |
| 9148288890 Sy | = 3341470700189.8 days (day) |
| 9148288890 Sy | = 477352957169.98 weeks (wk) |
| 9148288890 Sy | = 9154714247.0955 years (yr) |
| 9148288890 Sy | = 109856570965.15 months (mo) |
| 9148288890 Sy | = 915355321.80216 decades (dec) |
| 9148288890 Sy | = 91535532.180216 centuries (cent) |
| 9148288890 Sy | = 9153553.2180216 millenniums (mill) |