Pronunciation: [ˈaftəɹ ˈa͡ʊ͡ə] (IPA) 
The correct spelling for the phrase "after hour" is without an "s" at the end of "hour." It is often mistakenly written as "after hours," but the correct usage is always in the singular form. The pronunciation for "after hour" is /ˈæftərˌhawər/ with the first syllable as "af" and the second as "ter." The final syllable is pronounced with a reduced "aw" vowel sound followed by an "er" sound, as in "flower."
After hours is an idiomatic expression that refers to a time period beyond the normal operating hours of businesses or institutions. It typically indicates the period of time when such establishments are officially closed to the public.
In a more specific context, after hours can mean the time when activities or events take place outside the regular working hours of businesses. This can include late evening or early morning hours when individuals engage in additional work, meetings, or recreational events after their usual work shifts.
The term can also be used to describe any activity or event that occurs late in the day or during the night in comparison to the typical opening hours. For example, an "after-hours party" refers to a social gathering that takes place late at night, usually beyond the time frame when most parties or events would end.
After hours can also have a legal connotation. In some jurisdictions, certain activities or services are only permitted beyond the designated operating hours. This can include medical care, counseling helplines, or emergency services that are available outside normal office hours.
Overall, after hours signifies a time period outside the regular schedule, often characterized by reduced availability of services or a different atmosphere compared to typical daytime operations.
The term "after hours" originated in the early 19th century and is derived from the combination of two words: "after" and "hours".
"After" comes from the Old English word "æfter", which means "following in time or order". It eventually evolved into the Middle English word "after", with the same meaning.
"Hours" refers to the designated periods of time typically used for work or business.
When combined, "after hours" refers to the time period outside of regular working hours or business hours. It commonly refers to activities that occur late at night or early in the morning when most businesses are closed.
Over time, the term "after hours" has also come to be associated with places or events that operate during these non-business hours, such as bars, clubs, or other establishments that provide late-night entertainment options.
