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National Institute of Standards and Technology
nist.gov › pml › time-and-frequency-division › times-day-faqs
Times of Day FAQs | NIST
October 11, 2024 - To avoid ambiguity, specification of an event as occurring on a particular day at 11:59 p.m. or 12:01 a.m. is a good idea, especially legal documents such as contracts and insurance policies.
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Redzet
redzet.lv › en › info › Night
Night - redzet.lv
Night or nighttime (sp. night-time or night time) is the period from sunset to sunrise in each twenty-four hours, when the Sun is below the horizon. However it...
Discussions

word usage - the exact time of "evening" and "night" - English Language Learners Stack Exchange
I wonder what the exact times of the following words are: morning, noon, afternoon, evening, night, mid-night. What's the difference between at night and in the night? More on ell.stackexchange.com
🌐 ell.stackexchange.com
When is the night over? What time is the night over?
Night ends at sunrise. That time varies from day to day. More on reddit.com
🌐 r/NoStupidQuestions
13
3
June 20, 2022
When is it "morning" and "night" for you?
I don’t think it’s a coincidence that we have two different very commonly used words for “evening” and “night”. Evening starts around 17:00, regardless of sunlight. In the winter at 17:00 it’s super dark, whereas in the summer at 17:00 there’s hours and hours until it gets dark. “Night” I’d say is 23-24 ish. I think it contributes that our schedule is different and that on a work day, the evening is your time off and we eat dinner in the beginning of the evening (for example I’ve heard from Spanish folks that they often at dinner at 23 and go to bed much later - 23 ish is where most people are headed to sleep here). “Night” is where that stops. Morning is very debated but somewhere between 4-6, some crazy people even say 3. In the summer it begins to get light again and birds start to sing at 3. More on reddit.com
🌐 r/AskEurope
32
16
July 27, 2022
[Casual] When do morning, afternoon, evening and nighttime begin and end? (All English speakers)
While most of these are subjective, I'd like to point out that afternoon does start at exactly 12 o'clock and is not subjective. More on reddit.com
🌐 r/SampleSize
21
64
August 27, 2015
period from sunset to sunrise in each twenty-four hours
many pedestrians, drivers, and seated people active at night and lit by streetlights, headlights, and billboards
space photograph showing the inhabited areas of the Nile glowing against the dark desert
van gogh starry night google art project
night view moon star
Night, or nighttime, is the period of darkness when the Sun is below the horizon. Daylight illuminates one side of the Earth, leaving the other in darkness. The opposite of nighttime is … Wikipedia
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Wikipedia
en.wikipedia.org › wiki › Night
Night - Wikipedia
March 5, 2026 - Night, or nighttime, is the period of darkness when the Sun is below the horizon. Daylight illuminates one side of the Earth, leaving the other in darkness. The opposite of nighttime is daytime. Earth's rotation causes the appearance of sunrise and sunset. Moonlight, airglow, starlight, and ...
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Papirmass
papirmass.com › when-does-night-start
When Does Night Start? A Guide to the Evening Hours
August 8, 2024 - Determining the exact time when night officially starts can vary based on different perspectives, but a common consensus places it around 8:00 PM to 9:00 PM. This timing is when the sky is fully dark, and the last traces of twilight have vanished.
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Quora
quora.com › At-what-time-does-night-start-and-end
At what time does night start and end? - Quora
Answer (1 of 5): For daily life purposes, night begins when the sun has set and ends when the sun begins to rise. But scientifically, night does not begin until later due to twilight.
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Quora
quora.com › What-time-is-evening-and-night
What time is 'evening' and 'night'?
Common, practical distinctions: ... Typical window: roughly 5:00 PM to 9:00 PM local time. Character: transition from daylight to darkness; dinner hours and early social activities.
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Wikipedia
en.wikipedia.org › wiki › Midnight
Midnight - Wikipedia
2 weeks ago - As the dividing point between one ... there is no global unanimity on the issue, most often midnight is considered the start of a new day and is associated with the hour 00:00....
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EnglishClub
englishclub.com › vocabulary › time-day-night.php
Day and Night Vocabulary - Time
There are 24 hours in a day. The day is divided into day(time) and night(-time). Daytime is from sunrise (this varies, but we can say approximately 6am) to sunset (we can say approximately 6pm). Night-time is from sunset to sunrise. Every day starts precisely at midnight.
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House of Math
houseofmath.com › encyclopedia › numbers and quantities › quantities › date › what is day and night?
What Is Day and Night?
Learn about day and night. How long daytime and nighttime are depends on where you are in the world. Combined, daytime and nighttime last 24 hours.
Address   Location, Zip, City
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Reddit
reddit.com › r/nostupidquestions › when is the night over? what time is the night over?
r/NoStupidQuestions on Reddit: When is the night over? What time is the night over?
June 20, 2022 -

My five year old daughter just asked me this and, well, idk. Initally I thought, 1am? But then 12 is MID night.

So does that mean that the 24 hours is split into chunks? Does it magically make 6am the official morning? What of saying I was up until/ working until 2/ 3/ 4 in the morning.

12pm is noon.

Anything after is afternoon.

When does night begin?

I wouldn't categorise 5pm as afternoon, I'd call that evening.

You wouldn't say, I did X at 5 in the afternoon?

But if it is chunks, 6pm is the start of night?

WHEN DOES THE NIGHT END?

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Law Insider
lawinsider.com › dictionary › nighttime-hours
Nighttime hours Definition | Law Insider
July 7, 2025 - Nighttime hours means the hours after 10 p.m. and before 6 a.m.
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Quran-Islam.org
quran-islam.org › articles › part_3 › night_start_(P1369).html
True Islam - When does the Night start
It can be shown (explanation below) that according to 39:5 the night begins at sunset and ends at sunrise. Before presenting the significance of 39:5, it is important to distinguish between 'Night' and 'Darkness'.
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Quora
quora.com › When-does-evening-end-and-night-start
When does evening end and night start? - Quora
Answer (1 of 15): No scientific techno babble from this one. I am nowhere near smart enough to even pretend i know what I am talking about, all I can offer are my own theories and opinions. I have come up with this system about evening and night as it pertains to working late shifts, trying to f...
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Wikipedia
en.wikipedia.org › wiki › Evening
Evening - Wikipedia
3 weeks ago - Evening is the period of a day that begins at the end of afternoon and overlaps with the beginning of night. It starts when the sun is close to the horizon and overlaps both twilight and night. The exact times when evening begins and ends are subjective and depend on location and time of year.
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Reddit
reddit.com › r/samplesize › [casual] when do morning, afternoon, evening and nighttime begin and end? (all english speakers)
r/SampleSize on Reddit: [Casual] When do morning, afternoon, evening and nighttime begin and end? (All English speakers)
August 27, 2015 - Different seasons and time changes make these things happen at different times on the clock. I would say that nighttime begins at · sunset and daytime begins at sunrise. Which obviously means that nighttime ends at sunrise and daytime ends ...
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World Time Server
worldtimeserver.com › what-time-is-it
What Time Is It? - WorldTimeServer.com
5 days ago - What Time Is It? Find out what time is it in your area or anywhere around the world! Check out the It's 5 o'clock somewhere section to see who might be having a cool beverage right now!
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YourDictionary
yourdictionary.com › vocabulary › versus › meanings › afternoon vs. evening: it's time to differentiate
Afternoon vs. Evening: It's Time to Differentiate | YourDictionary
December 5, 2022 - There is no exact time frame for the transition from afternoon to evening to night. Rather, evening begins around the time the sun sets in most places or when the typical business day ends, which is 5:00-6:00 p.m.