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The hour (common symbol: h or hr, h being the international form of the symbol) is a unit of measurement of time. In modern usage, an hour comprises 60 minutes, or 3,600 second ..more definition+
In relation to the base unit of [time] => (seconds), 1 Leap Years (ly) is equal to 31622400 seconds, while 1 Hours (hr) = 3600 seconds.| 421000 Leap Years | to common time units |
|---|---|
| 421000 ly | = 13313030400000 seconds (s) |
| 421000 ly | = 221883840000 minutes (min) |
| 421000 ly | = 3698064000 hours (hr) |
| 421000 ly | = 154086000 days (day) |
| 421000 ly | = 22012285.714286 weeks (wk) |
| 421000 ly | = 422153.42465753 years (yr) |
| 421000 ly | = 5065841.0958904 months (mo) |
| 421000 ly | = 42209.988585923 decades (dec) |
| 421000 ly | = 4220.9988585923 centuries (cent) |
| 421000 ly | = 422.09988585923 millenniums (mill) |