Time Zone Converter
Convert any date and time between the UK and a major world city, or between any two cities — with daylight saving handled automatically.
Common conversions
Clock change guides
- What Is Daylight Saving Time (DST)? A Plain-English GuideWhat daylight saving time is, how it works in the UK, Europe and the US, why it exists, its history, who uses it and the argument over scrapping it.
- Why Do the Clocks Go Back in October? The Real ReasonThe clocks go back in autumn to return the UK to GMT, so winter mornings are lighter. The history, the rule, what time it happens and what changes for you.
- When Do the Clocks Go Forward Again After Going Back?When the UK clocks go forward again after the autumn change, how long the UK stays on GMT, when evenings get lighter and how to remember to reset your clocks.
Frequently asked questions
Does this converter account for daylight saving time?
Yes — it reads the live IANA time zone database, so the conversion is automatically correct whether either zone is currently in standard or daylight time.
Can I convert to time zones outside the UK?
Yes, the tool covers the UK plus 20 popular cities across North America, Europe, Asia, Australia and Africa, including New York, Mumbai, Dubai and Sydney.