Keywords: last night
As a Noun
1. The night of the day before today. English = last night, yesterday night.
2. The night of the day before a particular day in the past. English = the previous night.
1. Used before or after a sign sentence to say the action in the sentence happened during the night of the day before. If you are already talking about something that happened on a day before today,
2. then you mean it happened during the night of the day before that day. English = last night; the previous night.