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 organisms, …

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

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

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.

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 accidents and …

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

2 days ago · 2001 OPEC agrees at a meeting of ministers in Vienna, to reduce members' oil production quotas by 1.5 million barrels per day

1 day ago · Longest day in San Francisco, CA The longest day of the year will be in around 5 months, during the summer solstice on June 20, 2026, with a daylight length of 14 hours and 49 minutes.

The day formerly began at sunset, hence Old English Wodnesniht was what we would call "Tuesday night." Names of the weekdays were not regularly capitalized in English until 17c. From late 12c. as …