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UK Prayer Times

Accurate Fajr, Dhuhr, Asr, Maghrib and Isha times for anywhere in the United Kingdom — calculated privately in your browser, with your choice of method to match your mosque.

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There is no single "correct" prayer time. Mosques across the UK follow different conventions, mainly for Fajr and Isha. These times are an astronomical guide — pick the method above that matches the mosque you pray at, and follow your local mosque if the two differ.

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How these times are worked out

Honest, in-browser astronomy — and why your mosque's times might differ.

The five prayers & sunrise

Each time comes from the position of the sun for your exact location and date:

  • Fajr — when the sky begins to lighten before dawn (sun at a set angle below the horizon)
  • Sunrise — the end of Fajr's time; shown for reference
  • Dhuhr — true solar noon, when the sun is highest
  • Asr — when shadows reach a set length (Standard or Hanafi)
  • Maghrib — sunset
  • Isha — when the evening twilight has faded

Why mosques disagree

Fajr and Isha depend on a chosen twilight angle — how far the sun sits below the horizon at "dawn" and "nightfall". Scholars and organisations have settled on different angles (18°, 17°, 15°, or a seasonal model), so two trustworthy timetables can differ by 15–30 minutes.

Dhuhr, Asr (for a given school), Maghrib and sunrise are far less contested — they barely move between methods. That's why your method choice mostly changes Fajr and Isha.

The British summer problem, handled honestly. Across the UK, for several months either side of the longest day, the sun never goes deep enough below the horizon for true Fajr or Isha to occur at all. Many tools quietly invent a time anyway. This one tells you when that's happening, applies a recognised convention (by default, Nearest Valid Day), and marks any approximated time with an EST. label — so you always know what you're looking at.

Frequently asked questions

How are these UK prayer times calculated?
They're worked out in your browser using standard solar astronomy — the position of the sun for your latitude, longitude and date. Dhuhr is solar noon; sunrise and Maghrib are when the sun crosses the horizon; Fajr and Isha are when the sun reaches a chosen angle below the horizon. Nothing is fetched from a server, so the times are generated entirely on your device.
Why do prayer times differ between mosques and apps?
There's no single "correct" time. The disagreement is mostly about Fajr and Isha, because different conventions use different twilight angles. This tool lets you pick the method so it matches your mosque. Always follow your local mosque if in doubt.
What is the high-latitude problem in summer?
From roughly mid-April to late August in the UK, the sun never dips far enough below the horizon at night for true twilight to end, so a real Fajr or Isha angle is never reached and the normal calculation gives no time. A recognised convention must be applied instead. This tool defaults to "Nearest Valid Day" and clearly flags any approximated time.
Standard (Shafi'i) vs Hanafi Asr — what's the difference?
Asr begins when an object's shadow grows by a set multiple of its own length. The Standard opinion (Shafi'i, Maliki, Hanbali) uses a factor of one; the Hanafi school uses two, making Asr noticeably later — often 45–60 minutes in the UK. Use the toggle to switch.
Is my location sent anywhere?
No. "Use My Location" reads your coordinates in the browser and does the maths on your device — they're never sent to us. If you type a postcode, only that postcode goes to the free postcodes.io service to convert it to coordinates; we don't store it. Your settings are saved privately in your browser.
Can I rely on this for Ramadan fasting times?
It's a careful astronomical guide, but for Suhoor and Iftar — especially in the high-latitude summer — confirm with your local mosque or a timetable you trust. Precautionary margins are commonly added, which this tool does not assume for you.

Disclaimer

These prayer times are generated by astronomical calculation and are provided as a helpful guide only. Because there is genuine scholarly difference over the definition of Fajr and Isha — and because the UK's high latitude makes summer times a matter of juristic convention rather than direct observation — times here may not match your mosque. For religious obligations, particularly Ramadan Suhoor and Iftar, please confirm with your local mosque or a timetable you trust. If you spot an error or have feedback, email quassim@yafai.com.

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