Slough uses Europe/London — UTC+00:00 (GMT) in standard time and UTC+01:00 (BST) during daylight saving time. It is located in England, United Kingdom. The live clock shows the current local time and updates every second.
Everything you need to know about Slough's time zone, UTC offset, and Daylight Saving Time schedule.
Slough uses UTC+00:00 in standard time. This is the offset used outside the daylight saving period.
UTC+01:00 (BST) during daylight saving time. Clocks move forward one hour in spring and back one hour in autumn.
The official IANA time zone name for Slough is Europe/London. This identifier is used in programming, operating systems and calendar applications worldwide.
Spring forward: 29 March 2026 at 01:00 → 02:00
Fall back: 25 October 2026 at 02:00 → 01:00
Spring forward: 28 March 2027 at 01:00 → 02:00
Fall back: 31 October 2027 at 02:00 → 01:00
Spring forward: 26 March 2028 at 01:00 → 02:00
Fall back: 29 October 2028 at 02:00 → 01:00
Spring forward: 25 March 2029 at 01:00 → 02:00
Fall back: 28 October 2029 at 02:00 → 01:00
London, Birmingham, Glasgow, Manchester, Sheffield
Currency: Pound Sterling (GBP). Calling code: +44. Languages: English.
Slough () is a town in Berkshire, England, in the Thames Valley, 20 miles (32 km) west of central London and 19 miles (31 km) north-east of Reading, at the intersection of the M4, M40 and M25 motorways. It is part of the historic county of Buckinghamshire. In 2021, the population of the town was 143,184. The wider Borough of Slough had a population of 158,500.
Slough's population is one of the most ethnically diverse in the United Kingdom, attracting people from across the country and the world for labour since the 1920s, which has helped shape it into a major trading centre. In 2021, 46.9% of the population was Asian, 35.9% White, 7.5% Black, 4% Mixed, 1.2% Arab and 4.5% of other ethnic heritage.
Other than London, Slough has the highest concentration of global company headquarters in the UK. Blackberry, McAfee, Burger King, DHL, Telefonica and Lego have head offices in the town. Slough Trading Estate is the largest industrial estate in single private ownership in Europe, with over 17,000 jobs in 400 businesses.
Source: Wikipedia contributors — Slough. Adapted text is available under CC BY-SA 4.0; see licence details. Reviewed by the TimeZoria AI Editorial Team.
164,793 residents (GeoNames city population; metro areas may be larger).
England, United Kingdom.
Europe/London · UTC+00:00 (GMT).
Observes DST.
Pound Sterling (GBP) · +44.
Reading, London, Luton
London Heathrow Airport (LHR) about 10.3 km from the city coordinates. Source: OurAirports (public domain).
2024 averages: daily highs 15.1°C and lows 7.8°C. Warmest month: August (average high 22.7°C); coolest month: January (average low 2.0°C). Source: Open-Meteo (CC BY 4.0).
Before the 19th century, the main businesses of Slough were brickfields and agriculture. The bricks for the building of Eton College were made in Slough. Source: Wikipedia contributors · CC BY-SA 4.0 (adapted).
Region: England · IANA zone: Europe/London · Open data sources and licence details: TimeZoria AI licenses.
Current time in major cities compared to Slough. Times update live every second.
Note on DST transitions: The offsets shown above reflect the current live offset, which changes twice a year due to Daylight Saving Time. Different regions change their clocks on different dates, which means the difference between Slough and another city can vary by 1 hour for a short period in spring and autumn. Always verify the exact time difference around DST transition dates for critical scheduling.
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Common questions about Slough's time zone, UTC offset, and DST.