Convert Seconds to Hours (s to hr) ― JustinTOOLs.com
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 Seconds (s) is equal to 1 seconds, while 1 Hours (hr) = 3600 seconds.
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