Conversion formula just how to transform 72 hrs to days?

We understand (by definition) that:1⁢hr≈0.041666667⁢d

We can set up a proportion to solve for the number of days.

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Now, we cross multiply to deal with for our unknown x:




Conversion in opposing direction

The train station of the conversion variable is the 1 work is equal to 0.333333333333333 time 72 hours.

It can also be express as: 72 hours is same to 1 0.333333333333333 days.


An approximate numerical result would be: seventy-two hours is around zero days, or alternatively, a job is about zero suggest three 3 times seventy-two hours.

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Units involved

This is exactly how the devices in this conversion space defined:


"Midnight (or noon) ~ above a 12-hour analog clock an hour is a unit the time conventionally reckoned together 1⁄24 the a day and scientifically reckoned as 3,599–3,601 seconds, depending upon conditions.The seasonal, temporal, or unequal hour was created in the old Near eastern as 1⁄12 the the night or daytime. Such hrs varied by season, latitude, and weather. It was subsequently split into 60 minutes, every of 60 seconds. That is East eastern equivalent to be the shi, which to be 1⁄12 that the noticeable solar day; a similar system was eventually developed in Europe i m sorry measured its equal or equinoctial hour together 1⁄24 of such days measured indigenous noon to noon. The young variations the this unit were ultimately smoothed by making it 1⁄24 of the average solar day, based upon the measure of the suns transit along the celestial equator rather than follow me the ecliptic. This was finally abandoned as result of the young slowing led to by the Earths tidal deceleration by the Moon.In the modern metric system, hrs are an welcomed unit the time equal to 3,600 seconds however an hour that Coordinated universal Time (UTC) may incorporate a hopeful or an unfavorable leap second, do it last 3,599 or 3,601 seconds, in bespeak to save it in ~ 0.9 seconds of global time, which is based upon measurements the the median solar day in ~ 0° longitude."

Wikipedia web page of hours


"A day is a unit that time. In typical usage, the is one of two people an interval same to 24 hrs or daytime, the consecutive duration of time during which the sunlight is above the horizon. The period of time during which the earth completes one rotation v respect come the sunlight is called a solar day. Several meanings of this universal human concept are supplied according come context, need and convenience. In 1960, the second was redefined in regards to the orbital activity of the Earth, and was designated the SI basic unit the time. The unit of measurement day, redefined in 1960 together 86 400 SI seconds and also symbolized d, is not an SI unit, but is accepted for use v SI. A polite day is usually 86 400 seconds, to add or minus a possible leap second in Coordinated global Time (UTC), and occasionally to add or minus one hour in those locations that change from or to daylight conserving time."

Wikipedia page of days


<1> The precision is 15 significant digits (fourteen digits to the right of the decimal point).