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 3.8606955462749E-14 light day, or 1.286898515425E-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!

You can do the reverse unit conversion from light month to light day, or enter any two units below:

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.

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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