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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 Atomic Unit Of Time (au) is equal to 2.418884254E-17 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 421600 Atomic Unit Of Time | to common time units |
|---|---|
| 421600 au | = 1.0198016014864E-11 seconds (s) |
| 421600 au | = 1.6996693358107E-13 minutes (min) |
| 421600 au | = 2.8327822263511E-15 hours (hr) |
| 421600 au | = 1.1803259276463E-16 days (day) |
| 421600 au | = 1.6861798966376E-17 weeks (wk) |
| 421600 au | = 3.2337696647844E-19 years (yr) |
| 421600 au | = 3.8805235977412E-18 months (mo) |
| 421600 au | = 3.2333595481497E-20 decades (dec) |
| 421600 au | = 3.2333595481497E-21 centuries (cent) |
| 421600 au | = 3.2333595481497E-22 millenniums (mill) |