The definition :
Definitions of sidereal day:
- noun: the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
Are you interested in alternative search :
:civil lunar day sidereal hour :daylight daytime mean solar day sidereal day solar day twenty four hours 60 minutes dark forenoon high noon hour hr midday morn morning morning time night nighttime noon noonday noontide twelve noon amount of time calendar day chance
If you like reading news check: