›› Convert light day to parsec


light-day
parsec


›› More information from the unit converter

How many light-day in 1 parsec? The answer is 1191.286176756.
We assume you are converting between light day and parsec.
You can view more details on each measurement unit:
light-day or parsec
The SI base unit for length is the metre.
1 metre is equal to 3.8606955462749E-14 light-day, or 3.2407792700054E-17 parsec.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light days and parsecs.
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›› Common length conversions

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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: Parsec

The parsec (symbol pc) is a unit of length used in astronomy. It stands for "parallax of one arc second", and is approximately 19,131,554,073,600 (19 trillion) miles.


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