Night time or nighttime?
night time is a noun meaning “Alternative form of nighttime”; nighttime is a noun meaning “The hours of darkness between sunset and sunrise; the night”. night time is written as two words and nighttime as one word; they are used differently.
What is the difference between night time and nighttime?
| night time | nighttime | |
|---|---|---|
| Part of speech | noun | noun, adjective |
| Meaning | Alternative form of nighttime | The hours of darkness between sunset and sunrise; the night Pertaining to nighttime; appropriate to the night Happening during the night |
| Example | none recorded | none recorded |
| Forms | night-times | nighttimes |
| Pronunciation | not recorded | /ˈnaɪtˌtaɪm/ [ˈnaɪʔtaɪm] |
| In writing | not counted (the list counts single words) | 1.9 times per million words |
Sources: night time and nighttime in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of night time and nighttime
night time
- 1
Alternative form of nighttime
- 2
Alternative form of nighttime
nighttime
- 1
The hours of darkness between sunset and sunrise; the night
- 2
Pertaining to nighttime; appropriate to the night
- 3
Happening during the night
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, night time or nighttime?
night time is a phrase, which the list of single words does not count; nighttime 1.9 times per million words.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How many people search night time vs nighttime?
“night time vs nighttime” is searched about 10 times a month on Bing (Google reports it together with close variants, so it has no figure of its own) in the United States.
Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.