calendar day

noun

1. the period from one midnight to the following midnight.

calendar day

noun

1. See day

Word History and Origins

Origin of calendar day¹

First recorded in 1840–50

Example Sentences

Under FERPA, a school must provide a parent with an opportunity to inspect and review their child’s education records within a reasonable period of time, but not more than 45 calendar days following a request.

From Los Angeles Times

The last time downtown got one-tenth of an inch of rain or more on a single calendar day was May 5, when 0.13 of an inch of rain fell.

From Los Angeles Times

The last time downtown L.A. got more than one-tenth of an inch of rain in a single calendar day was on May 5.

From Los Angeles Times

Since then, there hasn’t been a single calendar day in which more than one-tenth of an inch has fallen downtown.

From Los Angeles Times

Most procedures in outpatient surgical centers “can be done in less than an hour,” she said, “with the vast majority of patients leaving the same calendar day.”

From New York Times