A day is commonly divided into 24 hours, with each hour being made up of 60 minutes, and each minute composed of 60 seconds.

The meaning of DAY is the time of light between one night and the next. How to use day in a sentence.

DAY definition: 1. a period of 24 hours, especially from twelve o'clock one night to twelve o'clock the next night…. Learn more.

period of 24 hours A day is the length of time between one midnight and the next. There are twenty-four hours in a day, and seven days in a week.

You also use day to refer to the time when it is light and when people are awake and doing things. When day has this meaning, you can use it either as a countable noun or an uncountable noun.

Find a specific business date and calculate the working days in a given period. Weekday Calculator – What day is this date? The Duration Calculator calculates the number of days, …

A day is how long it takes for the Earth to turn once around: Each new day starts at midnight (12 O'clock at Night) and ends next midnight.

Day definition: the interval of light between two successive nights; the time between sunrise and sunset.. See examples of DAY used in a sentence.

From day to day was in late Old English; day-by-day "daily" is from late 14c.; all day "all the time" is from late 14c. Day off "day away from work" is attested from 1883; day-tripper first recorded …

Jun 8, 2025 · (informal or meteorology) A 24-hour period beginning at 6am or sunrise. Your 8am forecast: The high for the day will be 30 and the low, before dawn, will be 10.