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

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 …

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

1 day ago · A day is a 24-hour period, or the length of time it takes the Earth to rotate fully on its axis. There are 365 days in a year, and 31 days in the month of January. Most work weeks …

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

day noun (LIGHT HOURS) A2 the period during the day when there is light from the sun: a bright, sunny day

Daytime or day as observed on Earth is the period of the day during which a given location experiences natural illumination from direct sunlight. Daytime occurs when the Sun appears …