Daylight saving time

Daylight saving time (also called DST, or summer time) is the portion of the year in which a region's local time is advanced by (usually) one hour from its official standard time. It is most common in temperate regions.

The name

The expression daylight savings time (with the extra "s") is a common alternate form but is sometimes considered to be improper English because "saving" is used here as a verbal adjective describing a single type of activity. Because "daylight saving" is a compound adjective, the proper form would actually be daylight-saving time, with the hyphen.

Related Topics:
Verbal adjective - Compound adjective - Hyphen

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