Night and Day

A phrase used to describe a strong difference between two things. It implies an improvement of the situation.⁣

After I bought that new 4k TV, my experience watching movies is so much better 🤩. It’s like night and day.⁣

Another meaning for “Night and Day” or “Day and Night” is all the time.⁣
We worked night and day to finish the task before due date.⁣