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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 Hipparchic Cycles (HC) is equal to 9593424000 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 431500 Hipparchic Cycles | to common time units |
|---|---|
| 431500 HC | = 4139562456000000 seconds (s) |
| 431500 HC | = 68992707600000 minutes (min) |
| 431500 HC | = 1149878460000 hours (hr) |
| 431500 HC | = 47911602500 days (day) |
| 431500 HC | = 6844514642.8571 weeks (wk) |
| 431500 HC | = 131264664.38356 years (yr) |
| 431500 HC | = 1575175972.6027 months (mo) |
| 431500 HC | = 13124801.699429 decades (dec) |
| 431500 HC | = 1312480.1699429 centuries (cent) |
| 431500 HC | = 131248.01699429 millenniums (mill) |