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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.| 550500 Millenniums | to common time units |
|---|---|
| 550500 mill | = 17362770000000000 seconds (s) |
| 550500 mill | = 289379500000000 minutes (min) |
| 550500 mill | = 4822991666666.7 hours (hr) |
| 550500 mill | = 200957986111.11 days (day) |
| 550500 mill | = 28708283730.159 weeks (wk) |
| 550500 mill | = 550569824.96195 years (yr) |
| 550500 mill | = 6606837899.5434 months (mo) |
| 550500 mill | = 55050000 decades (dec) |
| 550500 mill | = 5505000 centuries (cent) |
| 550500 mill | = 550500 millenniums (mill) |