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office hours

American

plural noun

the hours during which a professional person or an office conducts regular business.
the hours a person spends working in an office.

office hours British

plural noun

the hours during which an office is open for business
the number of hours worked in an office

"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 office hours

First recorded in 1795–1805

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.

Sequoia also offers firmwide AI office hours with the engineering, product and design teams to help drive more internal AI usage.

From The Wall Street Journal • Apr. 14, 2026

It is not uncommon for employees to bring in cardigans or sweaters to wear in office hours because temperatures are maintained at such low levels.

From BBC • Apr. 9, 2026

“There are other office hours for strategy. It’s just what buttons to press.”

From MarketWatch • Jan. 13, 2026

The "Patriots Collaborate for Good Governance" forum on Tuesday was held during office hours and drew many elderly people.

From Barron's • Nov. 12, 2025

Since Francie never read newspapers outside of office hours, she had no way of knowing what was in that particular issue.

From "A Tree Grows in Brooklyn" by Betty Smith

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