Definition of solar day in English:

Share this entry

solar day


The time between successive meridian transits of the sun at a particular place.
Example sentences
  • It is a planet with an unusual rotation rate, such that the solar day on Mercury lasts two Earth years.
  • Its eccentricity and inclination are greater than those of any other planet except Pluto, but its unique feature is that the year is actually shorter than the solar day!
  • Either timer will enable you to determine, with great accuracy, how long it takes for the Sun to revolve around the Earth: the solar day.

For editors and proofreaders

Line breaks: solar day

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.