Convert light day to league (Celtic)
Selected category: length.
Definition and details for light day:
Light day is defined as the distance the light travels in one day through a vacuum. The defined light speed is c = 299,792,458 m/sec. So one light day equals to about 25.902 billion kilometers.
Definition and details for league (Celtic):
A league was intended to represent the distance a person could walk in an hour. The Celtic unit seems to be about 2275 meters.