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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.| 5258425746 Sidereal Years | to common time units |
|---|---|
| 5258425746 Sy | = 1.6594618584795E+17 seconds (s) |
| 5258425746 Sy | = 2.7657697641325E+15 minutes (min) |
| 5258425746 Sy | = 46096162735542 hours (hr) |
| 5258425746 Sy | = 1920673447314.2 days (day) |
| 5258425746 Sy | = 274381921044.89 weeks (wk) |
| 5258425746 Sy | = 5262119033.7377 years (yr) |
| 5258425746 Sy | = 63145428404.852 months (mo) |
| 5258425746 Sy | = 526145167.5585 decades (dec) |
| 5258425746 Sy | = 52614516.75585 centuries (cent) |
| 5258425746 Sy | = 5261451.675585 millenniums (mill) |