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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.| 455000 Sidereal Years | to common time units |
|---|---|
| 455000 Sy | = 14358958024320 seconds (s) |
| 455000 Sy | = 239315967072 minutes (min) |
| 455000 Sy | = 3988599451.2 hours (hr) |
| 455000 Sy | = 166191643.8 days (day) |
| 455000 Sy | = 23741663.4 weeks (wk) |
| 455000 Sy | = 455319.57205479 years (yr) |
| 455000 Sy | = 5463834.8646575 months (mo) |
| 455000 Sy | = 45526.182702346 decades (dec) |
| 455000 Sy | = 4552.6182702346 centuries (cent) |
| 455000 Sy | = 455.26182702346 millenniums (mill) |