Dictionary.com
Thesaurus.com

temporal hour

American  

noun

Horology.

  1. a unit of time used in the Roman and Ottoman empires that divided the daylight into an equal number of hours, resulting in long summer hours and short winter hours.

Etymology

Origin of temporal hour

First recorded in 1585–95

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.