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A century (from the Latin centum, meaning one hundred; abbreviated c. is 100 years. Centuries are numbered ordinally in the English language along with many others (e.g. "t ..more definition+
A day is a unit of time. In common usage, it is either an interval equal to 24 hours or daytime, the consecutive period of time during which the Sun is above the horizon. The pe ..more definition+
In relation to the base unit of [time] => (seconds), 1 Centuries (cent) is equal to 3154000000 seconds, while 1 Days (day) = 86400 seconds.| 21 Centuries | to common time units |
|---|---|
| 21 cent | = 66234000000 seconds (s) |
| 21 cent | = 1103900000 minutes (min) |
| 21 cent | = 18398333.333333 hours (hr) |
| 21 cent | = 766597.22222222 days (day) |
| 21 cent | = 109513.88888889 weeks (wk) |
| 21 cent | = 2100.2663622527 years (yr) |
| 21 cent | = 25203.196347032 months (mo) |
| 21 cent | = 210 decades (dec) |
| 21 cent | = 21 centuries (cent) |
| 21 cent | = 2.1 millenniums (mill) |