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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.| 3210889407 Sidereal Years | to common time units |
|---|---|
| 3210889407 Sy | = 1.0132972794692E+17 seconds (s) |
| 3210889407 Sy | = 1.6888287991153E+15 minutes (min) |
| 3210889407 Sy | = 28147146651921 hours (hr) |
| 3210889407 Sy | = 1172797777163.4 days (day) |
| 3210889407 Sy | = 167542539594.77 weeks (wk) |
| 3210889407 Sy | = 3213144594.9682 years (yr) |
| 3210889407 Sy | = 38557735139.618 months (mo) |
| 3210889407 Sy | = 321273709.40684 decades (dec) |
| 3210889407 Sy | = 32127370.940684 centuries (cent) |
| 3210889407 Sy | = 3212737.0940684 millenniums (mill) |