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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 Gregorian Years (GY) is equal to 31556952 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 13 Gregorian Years | to common time units |
|---|---|
| 13 GY | = 410240376 seconds (s) |
| 13 GY | = 6837339.6 minutes (min) |
| 13 GY | = 113955.66 hours (hr) |
| 13 GY | = 4748.1525 days (day) |
| 13 GY | = 678.3075 weeks (wk) |
| 13 GY | = 13.008636986301 years (yr) |
| 13 GY | = 156.10364383562 months (mo) |
| 13 GY | = 1.3006987190869 decades (dec) |
| 13 GY | = 0.13006987190869 centuries (cent) |
| 13 GY | = 0.013006987190869 millenniums (mill) |