1. a period of 24 hours, especially from 12 o'clock one night to 12 o'clock the next night
Warning: choose the correct preposition!
To talk about when something happened or will happen, don't say 'in/at this/that day', say 'on this/that day':
I will always remember where I was in that day.
I will always remember where I was on that day.
To talk about when something happened or will happen, don't say 'in/at this/that day', say 'on this/that day':
I
I will always remember where I was on that day.
2. used to refer to the period in 24 hours when it is naturally light
a bright, sunny day
night /naɪt/ noun [C] DARK PERIOD
the part of every 24-hour period when it is dark because there is very little light from the sun
a bright, sunny day
night /naɪt/ noun [C] DARK PERIOD
the part of every 24-hour period when it is dark because there is very little light from the sun
