tropical year

Example Sentences

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The basic period of revolution of Earth, called the tropical year, is 365.2422 days.

From Textbooks • Oct. 13, 2016

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

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

The tropical year is the interval from one season till the return of that season again—spring to spring, summer to summer, autumn to autumn, or winter to winter.

From The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture by Maunder, E. Walter (Edward Walter)