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solar day
noun
- Astronomy. the time interval between two successive transits by the sun of the meridian directly opposite that of the observer; the 24-hour interval from one midnight to the following midnight.
- Law. the period of time from sunrise to sunset.
solar day
noun
- the period of time during which the earth makes one complete revolution on its axis relative to the sun See day
solar day
- See under solar time
Word History and Origins
Origin of solar day1
Compare Meanings
How does solar day compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
The Nov. 6 news article “Why daylight saving time is worse for your body than standard time” noted that “our internal clock” is “in sync with the solar day.”
So, your internal clock may remain slightly longer than 24 hours, causing you to drift out of sync with the solar day.
The Earth generally rotates on its axis, relative to the Sun, once every 86,400 seconds, which is why each of our solar days equals 24 hours.
If you want to get weird, start reading up on Mercury and Venus’ solar days.
Of night she says, “That’s the downside of living on a planet with a short solar day.”
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