Zeit in Birmingham (UK), Großbritannien - Zeitverschiebung, Zeitumstellung , Lokalzeit, Sommerzeit, Standardzeitzone: Kein UTC/GMT Abweichung. Compare time in different time zones. When the time was AM on Saturday, January 26 in London, it was AM in New Time difference from London. Get time Difference Between Dubrovnik Croatia and London United Kingdom over the year, and hour by hour check list of the time difference.
Some higher latitude and temperate zone countries use daylight saving time for part of the year, typically by adjusting local clock time by an hour.
Many land time zones are skewed toward the west of the corresponding nautical time zones. This also creates a permanent daylight saving time effect.
Before clocks were first invented, it was common practice to mark the time of day with apparent solar time also called "true" solar time — for example, the time on a sundial — which was typically different for every location and dependent on longitude.
When well-regulated mechanical clocks became widespread in the early 19th century,  each city began to use some local mean solar time.
Mean solar time has days of equal length, and the difference between the two sums to zero after a year. Greenwich Mean Time GMT was established in , when the Royal Observatory was built, as an aid to mariners to determine longitude at sea, providing a standard reference time while each city in England kept a different local time.
Local solar time became increasingly inconvenient as rail transport and telecommunications improved, because clocks differed between places by amounts corresponding to the differences in their geographical longitudes, which varied by four minutes of time for every degree of longitude.
For example, Bristol is about 2. The first adoption of a standard time was on December 1, , in Great Britain by railway companies using GMT kept by portable chronometers.
This quickly became known as Railway Time. About August 23, , time signals were first transmitted by telegraph from the Royal Observatory, Greenwich.
Some British clocks from this period have two minute hands—one for the local time, one for GMT. Improvements in worldwide communication further increased the need for interacting parties to communicate mutually comprehensible time references to one another.
The problem of differing local times could be solved across larger areas by synchronizing clocks worldwide, but in many places that adopted time would then differ markedly from the solar time to which people were accustomed.
On November 2, , the then British colony of New Zealand officially adopted a standard time to be observed throughout the colony, and was perhaps the first country to do so.
This standard was known as New Zealand Mean Time. Timekeeping on the American railroads in the midth century was somewhat confused.
Some junctions served by several railroads had a clock for each railroad, each showing a different time. Dowd proposed a system of one-hour standard time zones for American railroads about , although he published nothing on the matter at that time and did not consult railroad officials until In he proposed four ideal time zones having north—south borders , the first centered on Washington, D.
For example, the border between its Eastern and Central time zones ran through Detroit , Buffalo , Pittsburgh , Atlanta , and Charleston.
It was inaugurated on Sunday, November 18, , also called "The Day of Two Noons",  when each railroad station clock was reset as standard-time noon was reached within each time zone.
The confusion of times came to an end when Standard zone time was formally adopted by the U. Congress in the Standard Time Act of March 19, The first known person to conceive of a worldwide system of time zones was the Italian mathematician Quirico Filopanti.
He introduced the idea in his book Miranda! He proposed 24 hourly time zones, which he called "longitudinal days", the first centred on the meridian of Rome.
He also proposed a universal time to be used in astronomy and telegraphy. But his book attracted no attention until long after his death.
Scottish-born Canadian Sir Sandford Fleming proposed a worldwide system of time zones in He advocated his system at several international conferences, and is credited with "the initial effort that led to the adoption of the present time meridians".
In he specified that his universal day would begin at the anti-meridian of Greenwich th meridian , while conceding that hourly time zones might have some limited local use.
He also proposed his system at the International Meridian Conference in October , but it did not adopt his time zones because they were not within its purview.
The conference did adopt a universal day of 24 hours beginning at Greenwich midnight, but specified that it "shall not interfere with the use of local or standard time where desirable".
By about , almost all time on Earth was in the form of standard time zones, only some of which used an hourly offset from GMT.
Many applied the time at a local astronomical observatory to an entire country, without any reference to GMT. By , most major countries had adopted hourly time zones.
Today, all nations use standard time zones for secular purposes, but they do not all apply the concept as originally conceived. Newfoundland , India, Iran, Afghanistan, Burma, Sri Lanka, the Marquesas , as well as parts of Australia use half-hour deviations from standard time, and some nations, such as Nepal, and some provinces, such as the Chatham Islands of New Zealand, use quarter-hour deviations.
ISO is an international standard that defines methods of representing dates and times in textual form, including specifications for representing time zones.
UTC time is also known as "Zulu" time, since "Zulu" is a phonetic alphabet code word for the letter "Z".
This numeric representation of time zones is appended to local times in the same way that alphabetic time zone abbreviations or "Z", as above are appended.
The offset from UTC changes with daylight saving time , e. Time zones are often represented by alphabetic abbreviations such as "EST", "WST", and "CST", but these are not part of the international time and date standard ISO and their use as sole designator for a time zone is discouraged.
These examples give the local time at various locations around the world when daylight saving time is not in effect:. Where the adjustment for time zones results in a time at the other side of midnight from UTC, then the date at the location is one day later or earlier.
The time-zone adjustment for a specific location may vary because of daylight saving time. The more familiar term "UTC offset" is used here rather than the term "zone designator" used by the standard.
For example, the New York Stock Exchange opens at These calculations become more complicated near a daylight saving boundary because the UTC offset for zone X is a function of the UTC time.
Since the s a nautical standard time system has been in operation for ships on the high seas. Nautical time zones are an ideal form of the terrestrial time zone system.
A nautical date line is implied but not explicitly drawn on time zone maps. It follows the th meridian except where it is interrupted by territorial waters adjacent to land, forming gaps: The captain often chooses midnight.
Ships going in shuttle traffic over a time zone border often keep the same time zone all the time, to avoid confusion about work, meal, and shop opening hours.
Still the time table for port calls must follow the land time zone. Ideal time zones, such as nautical time zones, are based on the mean solar time of a particular meridian located in the middle of that zone with boundaries located 7.
In practice, zone boundaries are often drawn much farther to the west with often irregular boundaries, and some locations base their time on meridians located far to the east.
They were obliged to follow German time during the war, and kept it thereafter. In the mid s the Netherlands, as with other European states, began observing daylight saving summer time.
There is a tendency to draw time zone boundaries far to the west of their meridians. The main reason for this is that similar working day schedules around the world have led to people rising on average at Another reason is that it can allow the more efficient use of sunlight.
To make solar noon coincide more with awake time noon i. Many of these locations also use DST , adding yet another nautical time zone to the east.
Other countries, including the UK, soon followed suit. Standard time is the name used for the uniform time obtained by synchronising the clocks within a time zone.
When countries use Daylight Savings Time in summer, the standard time is usually shown without taking this into account. As standard times are shown as positive or negative offsets of UTC, time differences are calculated by establishing UTC, and calculating the times in each zone from there.
Differences to standard times as a result of Daylight Savings Time also need to be taken into account, if applicable.
The simplest way to discover the time in another part of the world is to consult this website. It will help you to establish which cities are in which time zones and tell you the standard times within each time zone.
It will also perform time difference calculations for you. Get current local time and date Simply enter any place, country or time zone and determine the current time with its corresponding date.
Compare local times between two cities in the world Compare the times of two places in a table to, for example, plan telephone appointments.
Proposals to adopt CET have been raised by various politicians over the years,   including a proposal in to conduct an analysis of the costs and benefits.
Authority over the time zone in Northern Ireland is devolved to the Northern Ireland Assembly  but the power has never been used, as the Republic has followed the UK.
In Scotland and Wales, time zone is a reserved matter , meaning that only the Parliament of the United Kingdom has power to legislate.
There are several entries for UK possessions around the world. Data directly from zone. From Wikipedia, the free encyclopedia.
Times, London, England, 14 May The Times Digital Archive. One Time Fits All: