After hours and Nighttime

After hours

After hours adverb - Not during regular hours.

Nighttime and after hours are semantically related. In some cases you can use "Nighttime" instead a noun phrase "After hours".

Nighttime

Nighttime noun - The time from sunset to sunrise when there is no visible sunlight.

After hours and nighttime are semantically related. You can use "After hours" instead a noun "Nighttime".
Cite this Source
Nighttime and After hours. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/after_hours/nighttime
After hours & Nighttime. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/after_hours/nighttime>.
Nighttime or After hours. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/after_hours/nighttime.
Google Ngram Viewer shows how "after hours" and "nighttime" have occurred on timeline