tropical year
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The second feature of the new Gregorian calendar was a change in the rule for leap year, making the average length of the year more closely approximate the tropical year.
From Textbooks • Oct. 13, 2016
The basic period of revolution of Earth, called the tropical year, is 365.2422 days.
From Textbooks • Oct. 13, 2016
The true number of days in the mean tropical year actually varies slightly over time.
From Scientific American • Oct. 18, 2011
The Julian calendar approximated the mean tropical year as 365.25 days and proposed 366-day leap years for every one divisible by four.
From Scientific American • Oct. 18, 2011
But while the first is 365·25 days, the second is 365·242264 days; so that the tropical year is too small by 11 minutes and 8 seconds.
From Astronomical Myths Based on Flammarions's History of the Heavens by Blake, John F.
