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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.| 425500 Sidereal Years | to common time units |
|---|---|
| 425500 Sy | = 13427992613952 seconds (s) |
| 425500 Sy | = 223799876899.2 minutes (min) |
| 425500 Sy | = 3729997948.32 hours (hr) |
| 425500 Sy | = 155416581.18 days (day) |
| 425500 Sy | = 22202368.74 weeks (wk) |
| 425500 Sy | = 425798.85254795 years (yr) |
| 425500 Sy | = 5109586.2305753 months (mo) |
| 425500 Sy | = 42574.485142524 decades (dec) |
| 425500 Sy | = 4257.4485142524 centuries (cent) |
| 425500 Sy | = 425.74485142524 millenniums (mill) |