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A millennium (plural millennia or millenniums) is a period of time equal to 1000 years, also called kiloyears. It derives from the Latin mille, thousand, and annus, year. ..more definition+
In relation to the base unit of [time] => (seconds), 1 Sidereal Years (Sy) is equal to 31558149.504 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 31550 Sidereal Years | to common time units |
|---|---|
| 31550 Sy | = 995659616851.2 seconds (s) |
| 31550 Sy | = 16594326947.52 minutes (min) |
| 31550 Sy | = 276572115.792 hours (hr) |
| 31550 Sy | = 11523838.158 days (day) |
| 31550 Sy | = 1646262.594 weeks (wk) |
| 31550 Sy | = 31572.159336986 years (yr) |
| 31550 Sy | = 378865.91204384 months (mo) |
| 31550 Sy | = 3156.815525844 decades (dec) |
| 31550 Sy | = 315.6815525844 centuries (cent) |
| 31550 Sy | = 31.56815525844 millenniums (mill) |