In 1656, Christiaan Huygens invented the pendulum clock, a clock that uses a pendulum swinging weight as its timekeeping element. However, they too remained imprecise, and had to be adjusted almost daily on the basis of the position of the Sun with a sundial in order to remain accurate. From the 13th century, mechanical clocks began to be used across Europe. On a sundial, the position of the sun would be 14 minutes behind around 11 February, and 16½ minutes ahead around 3 November. Sundials, which divide a day into 24 hours, were subject to inaccuracies, as Earth's rotation around the Sun does not follow a uniform time of 24 hours. But they could not function at night or if the sky was cloudy, in which case other methods such as the clepsydra were used, which measured time by the regulated flow of water into or out from a vessel.
Instead, sundials were historically used to measure the mean solar time. Ĭhristiaan Huygens, who was Dutch, invented the revolutionary pendulum clockīefore the 19th century, there was no need for a standard time zone across the country. The Caribbean Netherlands – which consist of the islands of Bonaire, Sint Eustatius and Saba – all observe Atlantic Standard Time (AST) year-round, which is four hours behind coordinated universal time ( UTC−04:00).
Time in the Kingdom of the Netherlands is denoted by Central European Time (CET) during the winter as standard time in the Netherlands, which is one hour ahead of coordinated universal time ( UTC+01:00), and Central European Summer Time (CEST) during the summer as daylight saving time, which is two hours ahead of coordinated universal time ( UTC+02:00). Time zones used in the Netherlands Time in the Kingdom of the NetherlandsĪtlantic Standard Time ( Caribbean Netherlands)Ĭentral European Summer Time (Netherlands)
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