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.

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

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

December 28, 2025 - Today is National Chocolate Candy Day, Card Playing Day, National Download Day, National Short Film Day, National Call a Friend Day, Pledge of Allegiance Day, …

2 days ago · Day of the year is a number between 1 and 365 (in 2025), January 1 is day 1. After today 3 days are remaining in this year. This page uses the ISO-8601 ordinal date format. …

6 days ago · Online Calendars by year with Holidays and Celebrations of the United States of America.

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

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 …

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;