In late June, Isha in Glasgow is around eleven at night and Fajr comes before four. In London it’s not much better. The night is about seven hours long, and you’re meant to pray at both ends of it, sleep in the middle, and still memorize something. The routine that worked in January, a new lesson after Fajr and revision after Isha, doesn’t fit any more.
Your hifz doesn’t have to stop, it just has to move to another time of day. In a northern summer the long light evening is where hifz goes, and in winter it swaps round completely.
At a glance
- From roughly May to July, much of the UK and western Canada never gets fully dark, so Isha and Fajr are estimated.
- Move the new lesson to the long evening, after Asr or before Maghrib.
- Protect sleep. Memory needs it, and a seven-hour night doesn’t leave much spare.
- Winter flips it: Isha around six, with the whole evening free.
Why Isha gets so late
Isha begins when the evening twilight has gone, and Fajr when the morning twilight appears. North of about 48° latitude, around midsummer, the sun never sinks far enough below the horizon for the twilight to disappear. The whole of the UK is above that line, and so are Calgary and Edmonton. The UK prayer-times site moonsighting.org.uk explains that between May and July “evening twilight persists throughout the night” in the UK (moonsighting.org.uk).
Because there’s no true darkness to measure, mosques use an estimate. A common one is the one-seventh rule: divide the time from sunset to sunrise into seven, pray Isha after the first seventh and Fajr in the last. The same source notes that many UK scholars use one-seventh for Isha and taraweeh. Others use the nearest latitude, the nearest normal day, or the middle of the night.
What the night looks like around 21 June
These are our own estimates for the summer solstice using the one-seventh rule, rounded to the nearest few minutes. Your mosque may use a different method, so its times can differ by half an hour or more. Always pray by your local timetable.
| City | Sunset | Isha (one-seventh) | Fajr (one-seventh) | Sunrise |
|---|---|---|---|---|
| London | 9:21pm | about 10:25pm | about 3:40am | 4:43am |
| Birmingham | 9:34pm | about 10:35pm | about 3:45am | 4:44am |
| Manchester | 9:42pm | about 10:40pm | about 3:40am | 4:40am |
| Glasgow | 10:06pm | about 11:00pm | about 3:35am | 4:31am |
| Calgary | 9:55pm | about 11:00pm | about 4:20am | 5:21am |
| Edmonton | 10:07pm | about 11:05pm | about 4:05am | 5:04am |
Toronto and Montreal sit further south and do get a real night, so their timetables usually work from the twilight itself. Even so, Isha there comes close to 11pm in late June.
Move the new lesson to the evening
After Fajr is the classic time for new memorization, and in winter it’s ideal. At 3:40am it isn’t, for most people. Many families sleep again after Fajr in summer, and trying to memorize half-asleep is a good way to learn mistakes.
What a northern summer does give you is a very long evening. Sunset in Manchester is after half nine, so there are hours of daylight between work or school and Maghrib. Use them:
- New lesson after Asr or in the hour before Maghrib, when you’re awake and the day’s work is done.
- Revision in your prayers, especially the sunnah prayers and Isha. Reciting from memory in salah is revision that doesn’t cost extra time.
- A short look at tomorrow’s lines before bed, two or three readings, no more. Then sleep.
- Weekend mornings, after you’ve slept again following Fajr, for a longer revision session.
If you pray extra at night, it’s a natural place to revise. We cover how in our guide to revising the Quran in night prayer.
Protect your sleep
Memory consolidates during sleep, so cutting it to fit everything in tends to undo the memorizing you stayed up for. Between a late Isha and an early Fajr, a summer night in the UK leaves around five hours of unbroken sleep at best. Most people who manage the season well split it: sleep after Isha, wake for Fajr, then sleep again before the day starts, or take a short nap in the afternoon.
If you’re a student in exam season or a parent of young children, be realistic. Summer is a fine time to slow new lessons down and focus on revision. Our guide on pausing new hifz to revise explains how to do that without losing ground.
Questions of fiqh
High-latitude prayer times raise real questions about combining prayers, when exactly to pray Isha, and how to manage Fajr. Scholars have discussed them at length and don’t all agree. We’re not the people to rule on them. Follow your mosque or a scholar you trust, and plan your hifz around whatever timetable you’re praying by.
Then winter turns it round
By December, London’s sunset is just before four in the afternoon, and Isha by the standard angle-based calculation is around six. Fajr is around six in the morning too. Our estimates for Toronto and Edmonton are similar, with Isha around half six. That means a long evening after Isha with nothing else to pray for, and a Fajr that’s no harder to wake for than an alarm on a school day.
| Midsummer | Midwinter | |
|---|---|---|
| New lesson | After Asr or before Maghrib | After Fajr, or after Isha |
| Revision | In prayers, weekend mornings | After Isha, the long evening |
| Sleep | Split around Fajr | One long night |
| Best for | Revising and holding steady | Pushing new pages |
If you want one rule for the year: push new memorization in the winter, hold steady and revise in the summer. And since Ramadan falls in February and March for the next few years, it’s a winter Ramadan too, with short fasts and an ordinary Isha. Our taraweeh pages-per-night guide helps plan it.
Where we fit in
Short, frequent tests suit the summer well, because they fit into the gaps a long evening leaves. Quran Memorizer’s free test asks what comes next, what came before and which surah an ayah is from, on whatever you’ve marked as memorized, so five minutes after Asr is enough to see what needs revising.
Questions people ask
Why is Isha so late in the UK in summer?
From roughly May to July, the sun doesn’t go far enough below the horizon in the UK for the evening twilight to disappear, so there’s no true darkness to mark Isha. Mosques use an estimate such as the one-seventh rule, which puts Isha around 10:30 to 11pm in late June.
When should I memorize Quran when Fajr is very early?
Move the new lesson to the long evening, after Asr or before Maghrib, and use your prayers and weekend mornings for revision. Memorizing at 3:30am when you’re half-asleep rarely works well.
Should I stay awake after Fajr in summer to memorize?
Only if you’ve slept enough. For most people a summer night in the UK leaves around five hours between Isha and Fajr, so sleeping again after Fajr and memorizing later in the day works better.
Is winter better for hifz in the UK and Canada?
For new memorization, usually yes. Isha falls around six in midwinter, which leaves a long evening for revision and a Fajr at a normal waking time.
