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A decade is a period of 10 years. The word is derived from the Ancient Greek: δεκάς (transliteration=dekas), which means a group of ten. Other words for spans of years also c ..more definition+
In relation to the base unit of [time] => (seconds), 1 Leap Years (ly) is equal to 31622400 seconds, while 1 Decades (dec) = 315400000 seconds.| 423000000 Leap Years | to common time units |
|---|---|
| 423000000 ly | = 13376275200000000 seconds (s) |
| 423000000 ly | = 222937920000000 minutes (min) |
| 423000000 ly | = 3715632000000 hours (hr) |
| 423000000 ly | = 154818000000 days (day) |
| 423000000 ly | = 22116857142.857 weeks (wk) |
| 423000000 ly | = 424158904.10959 years (yr) |
| 423000000 ly | = 5089906849.3151 months (mo) |
| 423000000 ly | = 42410511.09702 decades (dec) |
| 423000000 ly | = 4241051.109702 centuries (cent) |
| 423000000 ly | = 424105.1109702 millenniums (mill) |