On average, this is 24 hours (86,400 seconds). As a day passes at a given location it experiences morning, afternoon, evening, and night. This daily cycle drives circadian rhythms in many …

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

What is Today? November 15, 2025 - Today is National Recycling Day, National Drummer Day, National Philanthropy Day, Odd Socks Day, Govardhan Puja, National Clean Out Your …

Day is the time when it is light, or the time when you are up and doing things. The weather did not help; hot by day, cold at night. 27 million working days are lost each year due to work …

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

3 days ago · Details about today's date with count of days, weeks, and months, Sun and Moon cycles, Zodiac signs and holidays.

1. Of or relating to the day. 2. Working during the day: the day nurse. 3. Occurring before nightfall: a day hike.

Idioms call it a day, to stop working for the rest of the day: Let's call it a day; we've worked eighteen hours. Idioms day in, day out, every day without fail;

Definition of day noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Day definition: The period of light between dawn and nightfall; the interval from sunrise to sunset.