What time zone is london

At different times in the past, it has been calculated in different ways, including being calculated from noon ; [1] as a consequence, it cannot be used to specify a particular time unless a context is given. Because of Earth's uneven angular velocity in its elliptical orbit and its axial tiltnoon GMT is rarely the exact moment the Sun crosses the Greenwich Meridian [b] and reaches its highest point in the sky there. This event may occur up to 16 minutes before or after noon GMT, a what time zone is london described by the equation of time.

Compare the local time of two timezones, countries or cities of the world. What time is it? Sunday, October 29, 1 hour back from am to am. Sunday, March 31, 1 hour forward from am to am. Time Zone Converter Time Difference Calculator Compare the local time of two timezones, countries or cities of the world. Time Difference to major World Cities.

What time zone is london

But what is GMT and why is it so important? Solar time varies throughout the year, as the time interval between the Sun crossing a set meridian line changes. But each day measured by a clock has the same length, equal to the average mean length of a solar day. Find out about the Prime Meridian. From until , GMT was the international standard of civil time. Greenwich Mean Time is also the name of the time zone used by some countries in Africa and Western Europe, including in Iceland all year round. John Flamsteed came up with the formula for converting solar time to mean time, and published a set of conversion tables in the early s. Soon after, he was appointed as the first Astronomer Royal and moved into the new Royal Observatory in Greenwich. Here he had the best pendulum clocks installed and set them to the local time. At first though, Greenwich time was only really important to astronomers. In Maskelyne introduced the Nautical Almanac as part of the great 18th century quest to determine longitude. This data enabled navigators to find their position at sea. British mariners started keeping at least one chronometer set to GMT. These two solutions would help pave the way for GMT to become the worldwide time standard a century later. Find out about the longitude problem.

But each day measured by a clock has the same length, equal to the average mean length of a solar day.

Until the advent of the railways, the United Kingdom used local mean time. Greenwich Mean Time was adopted first by the Great Western Railway in and a few others followed suit in the following years. In it was adopted by the Railway Clearing House , and by almost all railway companies by the following year. It was from this initiative that the term " railway time " was derived. It was gradually adopted for other purposes, but the legal case of Curtis v March in held " local mean time " to be the official time.

Saturday, 09 March GMT. Want to convert London time to different time zone? Convert London Time. London Information. Daylight Saving Time Change.

What time zone is london

On this website, you can find out the current time and date in any country and city in the world. You can also view the time difference between your location and that of another city. The home page displays the clock with the exact time in your region, as well as a pre-installed list of clocks for major cities. You can modify this list as you wish.

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Chadwell Heath. West Byfleet. West Drayton. This line was found in the Pacific Ocean between Russia and Alaska. Thornton Heath. East Leake. Harrow on the Hill. Saint Neots. New Ferry. The longer daylight hours in the evening allow for more outdoor activities and should reduce energy consumption. Bishops Stortford.

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Charlton Kings. West Molesey. Haughton Green. As the reference for GMT, the Prime Meridian at Greenwich therefore became the centre of world time and the basis for the global system of time zones. Gossops Green. Hedge End. For other uses, see GMT disambiguation. Retrieved 20 February Upper Norwood. Greenwich Mean Time was adopted first by the Great Western Railway in and a few others followed suit in the following years. West Thurrock. That means at 12 noon the hour hand is pointing straight down rather than straight up.