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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.| 4004000000 Sidereal Years | to common time units |
|---|---|
| 4004000000 Sy | = 1.2635883061402E+17 seconds (s) |
| 4004000000 Sy | = 2.1059805102336E+15 minutes (min) |
| 4004000000 Sy | = 35099675170560 hours (hr) |
| 4004000000 Sy | = 1462486465440 days (day) |
| 4004000000 Sy | = 208926637920 weeks (wk) |
| 4004000000 Sy | = 4006812234.0822 years (yr) |
| 4004000000 Sy | = 48081746808.986 months (mo) |
| 4004000000 Sy | = 400630407.78065 decades (dec) |
| 4004000000 Sy | = 40063040.778065 centuries (cent) |
| 4004000000 Sy | = 4006304.0778065 millenniums (mill) |