(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. The day begins at midnight.

Understanding the Context

Monday is the first day of the week in many countries of the world. A day on Mars is slightly over 24 hours. In common usage, a day starts at midnight, written as 00:00 or 12:00 am in 24- or 12-hour clocks, respectively. Because the time of midnight varies between locations, time zones are set up to facilitate the use of a uniform standard time.

Key Insights

Details about today's date with count of days, weeks, and months, Sun and Moon cycles, Zodiac signs and holidays. The meaning of DAY is the time of light between one night and the next. How to use day in a sentence. 7 Days of the Week Everybody knows that there are 7 "days of the week". But do you know that there are only 5 "weekdays"?

Final Thoughts

And of course the "weekend" has 2 days. The days of the week come from the Names of mythical figures, so the first letter of each day must be a CAPITAL letter. Days of the Week: Monday = associated with the Moon Tuesday = from the god Tiw, associated with Mars Wednesday ... Find today's national days, explore what's coming up this week, and never miss a fun holiday again. Find a complete list of today's holidays, unique celebrations, and fun ways to celebrate every day of the year. DAY definition: 1.

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