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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 Millenniums (mill) is equal to 31540000000 seconds, while 1 Sidereal Years (Sy) = 31558149.504 seconds.| 20500 Millenniums | to common time units |
|---|---|
| 20500 mill | = 646570000000000 seconds (s) |
| 20500 mill | = 10776166666667 minutes (min) |
| 20500 mill | = 179602777777.78 hours (hr) |
| 20500 mill | = 7483449074.0741 days (day) |
| 20500 mill | = 1069064153.4392 weeks (wk) |
| 20500 mill | = 20502600.202943 years (yr) |
| 20500 mill | = 246031202.43531 months (mo) |
| 20500 mill | = 2050000 decades (dec) |
| 20500 mill | = 205000 centuries (cent) |
| 20500 mill | = 20500 millenniums (mill) |