Daylight saving time
Daylight saving time (DST)—also summer time in several countries including in British English
British English
British English, or English , is the broad term used to distinguish the forms of the English language used in the United Kingdom from forms used elsewhere...

 and European official terminology (see Terminology)—is the practice of temporarily advancing clocks
Time zone
A time zone is a region on Earth that has a uniform standard time for legal, commercial, and social purposes. In order for the same clock time to always correspond to the same portion of the day as the Earth rotates , different places on the Earth need to have different clock times...

 during the summertime so that afternoons have more daylight
Daylight or the light of day is the combination of all direct and indirect sunlight outdoors during the daytime. This includes direct sunlight, diffuse sky radiation, and both of these reflected from the Earth and terrestrial objects. Sunlight scattered or reflected from objects in outer space is...

 and mornings have less. Typically clocks are adjusted forward one hour near the start of spring and are adjusted backward in autumn. Modern DST was first proposed in 1895 by George Vernon Hudson
George Vernon Hudson
George Vernon Hudson was an English-born New Zealand entomologist and astronomer.Born in London, Hudson was the sixth child of Charles Hudson, an artist and stained-glass window designer. By the age of 14 he had built up a collection of British insects, and had published a paper in The Entomologist...