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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.| 302000000 Sidereal Years | to common time units |
|---|---|
| 302000000 Sy | = 9.530561150208E+15 seconds (s) |
| 302000000 Sy | = 1.588426858368E+14 minutes (min) |
| 302000000 Sy | = 2647378097280 hours (hr) |
| 302000000 Sy | = 110307420720 days (day) |
| 302000000 Sy | = 15758202960 weeks (wk) |
| 302000000 Sy | = 302212111.56164 years (yr) |
| 302000000 Sy | = 3626545338.7397 months (mo) |
| 302000000 Sy | = 30217378.40903 decades (dec) |
| 302000000 Sy | = 3021737.840903 centuries (cent) |
| 302000000 Sy | = 302173.7840903 millenniums (mill) |