calendar day

American

noun

the period from one midnight to the following midnight.

calendar day British

noun

See day

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of calendar day

First recorded in 1840–50

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 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 • Jan. 20, 2025

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 • Jan. 10, 2025

Advent calendar day 22: GB's Kerr wins 1500m gold.

From BBC • Aug. 6, 2024

Mark your calendars, y’all, because next Tuesday ain’t your average calendar day.

From Seattle Times • Feb. 6, 2024

We never got it on any dated calendar day.

From Essays — Second Series by Emerson, Ralph Waldo

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023