Conversion formula how to transform 72 hours to days?

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

We can collection up a proportion to fix for the number of days.

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Now, us cross main point to settle for our unknown x:




Conversion in opposing direction

The station of the conversion variable is the 1 job is same to 0.333333333333333 time 72 hours.

It can likewise be expressed as: 72 hours is same to 1 0.333333333333333 days.


An almost right numerical result would be: seventy-two hours is about zero days, or alternatively, a day is about zero point three 3 times seventy-two hours.

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Units involved

This is just how the systems in this conversion space defined:


"Midnight (or noon) on a 12-hour analog clock one hour is a unit the time traditionally reckoned together 1⁄24 of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.The seasonal, temporal, or uneven hour was created in the old Near eastern as 1⁄12 the the night or daytime. Such hours varied by season, latitude, and weather. It was subsequently divided into 60 minutes, each of 60 seconds. That East asian equivalent to be the shi, which to be 1⁄12 of the obvious solar day; a similar system was eventually emerged in Europe i beg your pardon measured its equal or equinoctial hour as 1⁄24 of together days measured native noon to noon. The young variations the this unit were at some point smoothed by making the 1⁄24 that the mean solar day, based upon the measure of the suns transit along the celestial equator quite than along the ecliptic. This was lastly abandoned due to the boy slowing caused by the Earths tidal deceleration by the Moon.In the modern-day metric system, hours are an accepted unit the time equal to 3,600 seconds yet an hour the Coordinated universal Time (UTC) may incorporate a hopeful or negative leap second, do it last 3,599 or 3,601 seconds, in stimulate to save it within 0.9 secs of global time, i beg your pardon is based upon measurements the the typical solar day in ~ 0° longitude."

Wikipedia page of hours


"A work is a unit that time. In usual usage, it is one of two people an interval same to 24 hours or daytime, the consecutive period of time during which the sunlight is above the horizon. The duration of time throughout which the planet completes one rotation with respect come the sunlight is referred to as a solar day. Several meanings of this universal human ide are supplied according to context, need and convenience. In 1960, the second was redefined in regards to the orbital activity of the Earth, and also was designated the SI base unit of time. The unit of measure day, redefined in 1960 as 86 400 SI seconds and also symbolized d, is no an SI unit, yet is welcomed for use with SI. A polite day is typically 86 400 seconds, add to or minus a possible leap second in Coordinated universal Time (UTC), and occasionally to add or minus an hour in those places that adjust from or come daylight saving time."

Wikipedia web page of days


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