1. The origin of "at night" to indicate a point of time and the usage of prepositions "in" and"at" In olden times, when the time expression "at night" was originated, night might have been.

The spoken use of "night" as an informal, familiar version of "good night" (wishing one a restful sleep) is common, but I'm not sure what the proper written equivalent is - if there is one.

Adding Time brings the two into a comparison of time periods. Saying just Day and Night compares the non-time/instantaneous status; light and dark, up and down, inside and outside. This is.

Understanding the Context

If it's 7:30pm, which of these phrases is correct, Good night or Good evening?

Do you think '2 o'clock in the morning' might somehow actually mean '2 o'clock in the afternoon', as that's the only alternative? I suppose I can see your point if someone says '11 o'clock.

What can I say about a thing happened at night? Someone stole my phone at night. OR Someone stole my phone in the night. Which one is right to say?

Good night or good evening? I am in the process of creating a software application which displays a greeting to users based on the time of day. I have come to a blank on what to.

Key Insights

As from object, is there a rational reason for saying "last night" rather than "yesterday night", though you would say "yesterday morning" and "yesterday afternoon"?

I forgot where but I saw the word "night-time" written like "nighttime". Now is that correct or accepted? Can it be written as a single word? I am specifically concerned about British usage. I did

The expression by night is typically used to contrast someone's nighttime activities to their daytime activities, especially when the nighttime activities are unusual or unexpected. You will see it very.