civil day

noun

, Astronomy.

1. day ( def 3c ).

civil day

noun

1. another name for calendar day See day

Word History and Origins

Origin of civil day¹

First recorded in 1595–1605

Example Sentences

A deduction of the number of the years from the number of the sidereal days gave, as remainder, the number of civil days in the exeligmos.

From Project Gutenberg

The civil day always commences at the midnight preceding this astronomical day.

From Project Gutenberg

HOUR, the twenty-fourth part of a civil day, the twelfth part of a natural day or night, a space of time of sixty minutes’ duration.

From Project Gutenberg

In England the period of the civil day may also vary under different statutes.

From Project Gutenberg

We may remark that the commencement of the astronomical day commences twelve hours after the civil day.

From Project Gutenberg