Dusk is between day and night. Not really day, but not night either. Some also call it twilight.
Usually night.
Day or Night
You can say "good night" when it is your day time, if you are talking to a person who is in a country where it is night time. When it is day time in Ireland, it is night time in Australia and New Zealand, and other places.
night
It is night time.
Daytime is when the sun is out and well it is the time of day night time is when it is night and dark because the sun is not reflecting that side unlike the other the other side so night time is basically night and day time is day
Muscles don't build at a certain time of the day. Muscles will build better at night, if you exercised at day time and then were ASLEEP at night.
Planes make the same sounds whether in the day time or night time.
day time
A simplistic answer is that night in China means that it is day on the other side of the world.
350 degrees in the day time 170 degrees in the night time
Night time!!