tropical year
Example Sentences
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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
This rate is known as the mean tropical year.
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
It is called a tropical year with reference to the circuit which the sun makes from one tropic to the other and back again.
From A Text-Book of Astronomy by Comstock, George C.