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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 Metonic Cycles (mc) is equal to 599616000 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 90 Metonic Cycles | to common time units |
|---|---|
| 90 mc | = 53965440000 seconds (s) |
| 90 mc | = 899424000 minutes (min) |
| 90 mc | = 14990400 hours (hr) |
| 90 mc | = 624600 days (day) |
| 90 mc | = 89228.571428571 weeks (wk) |
| 90 mc | = 1711.2328767123 years (yr) |
| 90 mc | = 20534.794520548 months (mo) |
| 90 mc | = 171.10158528852 decades (dec) |
| 90 mc | = 17.110158528852 centuries (cent) |
| 90 mc | = 1.7110158528852 millenniums (mill) |