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How long is an hour?
The conversion formula of hours, minutes and seconds: 1 hour =60 minutes, 1 minute =60 seconds, 1 hour =3600 seconds.

The English abbreviations of hours, minutes and seconds are: h, min and s hours are time units, but they are not the basic units of the international system of time units. The basic unit of the international system of time units is the second.

Unit conversion between minutes and seconds: 1 hour =60 minutes, 1 minute =60 seconds. The title requires conversion from small units to large units, that is, seconds to minutes, minutes to hours, and you will know.

1 sec = 60s \60 = 1 min \ 60 =1/60min. Similarly, 1 minute =60 minutes ÷60= 1 hour ÷60=

Time introduction:

One minute equals 60 seconds, and the progress of minutes is 60, so one minute equals 60 seconds. Then I will say that one year equals four seasons, one season equals three months, and one month equals 30 days.

One day is equal to 24 hours, one hour is equal to 60 minutes, and there are 365 days in a year, so if you calculate carefully, people can live for more than 30 thousand days at most in the world.