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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 Attoseconds (as) is equal to 1.0E-18 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 21300 Attoseconds | to common time units |
|---|---|
| 21300 as | = 2.13E-14 seconds (s) |
| 21300 as | = 3.55E-16 minutes (min) |
| 21300 as | = 5.9166666666667E-18 hours (hr) |
| 21300 as | = 2.4652777777778E-19 days (day) |
| 21300 as | = 3.5218253968254E-20 weeks (wk) |
| 21300 as | = 6.7541856925419E-22 years (yr) |
| 21300 as | = 8.1050228310502E-21 months (mo) |
| 21300 as | = 6.7533291058973E-23 decades (dec) |
| 21300 as | = 6.7533291058973E-24 centuries (cent) |
| 21300 as | = 6.7533291058973E-25 millenniums (mill) |