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A '''clock ''' is a device used to [[measure ]] and indicate the passage of [[time]]. Different typss types of clocks include analog clocks, digital clocks, sundails[[sundial]]s, and atomic clocks. A [[watch ]] is a type if clock that is usually worn at on the [[wrist]]. An Alarm alarm clock is a secial special clock that is designed to wake people up in the morning.Note that most clocks commonly called atomic clocks are technically little more accurate than digital clocks. However, they are updated periodically by [[radio]] transmissions based on the time determined by a central atomic clock.

==See also:==*[[timeTime]][[Category:Time]]