How many light-hour in 1 light-day? The answer is 24. We assume you are converting between light hour and light day. You can view more details on each measurement unit: light-hour or light-day The SI base unit for length is the metre. 1 metre is equal to 9.2656693110598E-13 light-hour, or 3.8606955462749E-14 light-day. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between light hours and light days. Type in your own numbers in the form to convert the units!
1 light-hour to light-day = 0.04167 light-day
10 light-hour to light-day = 0.41667 light-day
20 light-hour to light-day = 0.83333 light-day
30 light-hour to light-day = 1.25 light-day
40 light-hour to light-day = 1.66667 light-day
50 light-hour to light-day = 2.08333 light-day
100 light-hour to light-day = 4.16667 light-day
200 light-hour to light-day = 8.33333 light-day
You can do the reverse unit conversion from light-day to light-hour, or enter any two units below:
A light-hour (also written light hour) is a unit of length. It is the distance travelled by light in vacuum in one hour. Based on the current definition of the metre a light-hour is equal to 1,079,252,848,800 metres (~1.08 Tm).
A light day (also written light-day) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one day (of 86,400 seconds) or 25,902,068,371,200 metres (~26 Tm).
Note that this value is exact, since the metre is actually defined in terms of the speed of light. The light day isn't very frequently used at all since there are few astronomical objects or distances of that magnitude; the Oort cloud, for example, is thought to extend between 290 and 580 light-days out from the Sun.
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