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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.| 23 Sidereal Years | to common time units |
|---|---|
| 23 Sy | = 725837438.592 seconds (s) |
| 23 Sy | = 12097290.6432 minutes (min) |
| 23 Sy | = 201621.51072 hours (hr) |
| 23 Sy | = 8400.89628 days (day) |
| 23 Sy | = 1200.12804 weeks (wk) |
| 23 Sy | = 23.016154191781 years (yr) |
| 23 Sy | = 276.19385030137 months (mo) |
| 23 Sy | = 2.3013235212175 decades (dec) |
| 23 Sy | = 0.23013235212175 centuries (cent) |
| 23 Sy | = 0.023013235212175 millenniums (mill) |