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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.| 4227000000 Sidereal Years | to common time units |
|---|---|
| 4227000000 Sy | = 1.3339629795341E+17 seconds (s) |
| 4227000000 Sy | = 2.2232716325568E+15 minutes (min) |
| 4227000000 Sy | = 37054527209280 hours (hr) |
| 4227000000 Sy | = 1543938633720 days (day) |
| 4227000000 Sy | = 220562661960 weeks (wk) |
| 4227000000 Sy | = 4229968859.5068 years (yr) |
| 4227000000 Sy | = 50759626314.082 months (mo) |
| 4227000000 Sy | = 422943240.18202 decades (dec) |
| 4227000000 Sy | = 42294324.018202 centuries (cent) |
| 4227000000 Sy | = 4229432.4018202 millenniums (mill) |