›› Convert light day to light month

light day
light month



›› More information from the unit converter

How many light day in 1 light month? The answer is 30.
We assume you are converting between light day and light month.
You can view more details on each measurement unit:
light day or light month
The SI base unit for length is the metre.
1 metre is equal to 3.86069554627E-14 light day, or 1.28689851542E-15 light month.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light days and light months.
Type in your own numbers in the form to convert the units!


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›› Definition: Light-day

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.


›› Definition: Light-month

A light-month (also written light month) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one full month (thirty days of 86,400 seconds each) or 777,062,051,136,000 metres (~777 Tm).


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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!

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