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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 Millidays (md) is equal to 86.4 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 500 Millidays | to common time units |
|---|---|
| 500 md | = 43200 seconds (s) |
| 500 md | = 720 minutes (min) |
| 500 md | = 12 hours (hr) |
| 500 md | = 0.5 days (day) |
| 500 md | = 0.071428571428571 weeks (wk) |
| 500 md | = 0.0013698630136986 years (yr) |
| 500 md | = 0.016438356164384 months (mo) |
| 500 md | = 0.00013696892834496 decades (dec) |
| 500 md | = 1.3696892834496E-5 centuries (cent) |
| 500 md | = 1.3696892834496E-6 millenniums (mill) |