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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 Sidereal Years (Sy) is equal to 31558149.504 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 385000 Sidereal Years | to common time units |
|---|---|
| 385000 Sy | = 12149887559040 seconds (s) |
| 385000 Sy | = 202498125984 minutes (min) |
| 385000 Sy | = 3374968766.4 hours (hr) |
| 385000 Sy | = 140623698.6 days (day) |
| 385000 Sy | = 20089099.8 weeks (wk) |
| 385000 Sy | = 385270.40712329 years (yr) |
| 385000 Sy | = 4623244.8854795 months (mo) |
| 385000 Sy | = 38522.154594293 decades (dec) |
| 385000 Sy | = 3852.2154594293 centuries (cent) |
| 385000 Sy | = 385.22154594293 millenniums (mill) |