Prayer times in cities at extreme latitudes (Iceland, Alaska, Sweden)
In summer near the Arctic Circle, the sun never sets fully. There's no "true night." Standard Islamic prayer-time calculations — which depend on the sun being a specific number of degrees below the horizon — break down. Fajr and Isha simply don't happen at the calculated times.
For Muslims living at extreme latitudes, the question of "when do I pray?" has multiple traditional answers. The Islamic prayer time page automatically applies the appropriate rule for high-latitude cities.
The problem
Standard calculations require the sun to drop 15-19° below the horizon for Fajr (and similarly for Isha). At sufficiently high latitudes in summer, the sun's lowest point in the sky is only a few degrees below the horizon — never reaching the required depth.
In Reykjavik (64°N), for example, in late June the sun's lowest point at midnight is only 2° below the horizon. There's no "true night" — just a continuous twilight from sunset to sunrise.
The same applies symmetrically in winter at extreme southern latitudes (above 48°S), but few Muslims live in those regions.
Where this matters
Cities and regions where Fajr/Isha calculations break in summer:
- Iceland (entire country)
- Northern Norway, Sweden, Finland (Tromsø, Luleå, Rovaniemi)
- Northern Russia
- Northern Canada
- Alaska (most of it)
- Anchorage (61°N) — borderline; Fajr calculation works but is unusual
Cities where it's borderline (occasional issues in summer):
- Stockholm (59°N)
- Edinburgh (56°N)
- Moscow (55°N)
- Dublin, Belfast (54°N)
Cities with reliable calculations year-round:
- London (51°N): borderline at peak summer but generally OK
- Berlin, Paris (52° and 48°N)
- New York, Toronto (40-43°N)
- Anything closer to the equator
The traditional rulings
Several fiqh approaches address the high-latitude case:
Approach 1 — Use the closest "normal" city
Calculate prayer times as if you were in the nearest city where standard calculation works. For example, a Muslim in Reykjavik might use the prayer times of London or Copenhagen (the closest cities below 48°N).
Pros: aligns with established practice elsewhere; community feels connected to broader Islamic time-keeping.
Cons: ignores actual local conditions; sunrise and sunset are very different from the reference city.
Approach 2 — Use Mecca's times
Apply the times of Mecca on the same date directly. So Fajr in Mecca is, say, 4:50 AM Mecca time → calculate that as a UTC time → that's "Fajr" for you.
Pros: anchors to the religious geographic center.
Cons: completely disconnected from local sun position. Could mean praying Fajr at noon local time in extreme cases.
Approach 3 — 1/7 night fraction
Divide the night (Maghrib to Fajr) into 7 equal parts. Use the first 1/7 boundary for Isha, the last 1/7 boundary for Fajr.
Pros: locally meaningful; based on actual sunset/sunrise.
Cons: doesn't directly correspond to traditional sun-angle calculations.
Approach 4 — Half-night
Find the midpoint between Maghrib and Fajr. Use that as the boundary between Isha and Fajr (so Isha is anytime between Maghrib and midpoint; Fajr is anytime between midpoint and sunrise).
Pros: simple.
Cons: even less traditional than 1/7.
Approach 5 — Fixed angle (whatever the sun does reach)
If the sun only reaches 5° below horizon at its lowest, use 5° as the Fajr/Isha angle for that day, even though it's much less than 18°.
Pros: stays anchored to actual local conditions.
Cons: Fajr and Isha can blur together when the sun's range is small.
How communities choose
Different Muslim communities at high latitudes use different approaches:
Iceland: small Muslim community; many use Mecca times (Approach 2) for consistency.
Norway, Sweden, Finland: communities tend to use 1/7 night fraction (Approach 3) for everyday practice and consult the Mecca/closest-city approach for Ramadan.
Russia: official Russian Muslim Spiritual Administrations have published guidance favoring "closest normal city" or "fixed angle" approaches.
Canada/Alaska: smaller communities; practice varies based on imam guidance.
For Ramadan specifically, the question becomes more pressing because fasting hours can become extreme. A 22-hour fast (Reykjavik in summer) is hard. Some scholars permit using a more lenient calculation method during Ramadan in extreme latitudes.
Practical examples
Reykjavik, July: Sunrise ~3 AM, Sunset ~midnight. Standard 18° Fajr would be impossible (sun never reaches 18° below). Using 1/7 night fraction: Fajr is calculated as the last 1/7 of the night between Maghrib (midnight) and Fajr (3 AM) — so Fajr at ~2:30 AM. Isha at first 1/7 = 12:30 AM.
Stockholm, June 21: Standard 18° Fajr times still calculable but very early (~3 AM). Some communities use 18° calculation; others switch to 1/7 night fraction during peak summer.
Anchorage, June 21: Borderline. 18° Fajr is calculable but very early. Local mosque guidance varies.
Reykjavik, January: Different problem — daylight is very short (4-5 hours). Standard calculations work but Fajr-to-sunrise is short. Some communities adjust for adequate Suhoor time.
Software handling
Modern Islamic prayer apps and websites (including the Islamic prayer time page) detect high-latitude cities and apply the appropriate fallback rule automatically. Default behavior varies:
- Most apps use 1/7 night fraction for high-latitude defaults
- Some allow user to switch between approaches
- Some default to "Mecca times" without explaining
If you're at high latitude and want to verify, check what method/fallback your app is using. The app's settings should disclose it.
Ramadan at high latitudes
Some communities have additional guidance for Ramadan specifically:
- Some scholars permit travelers' rules to apply — allowing fasting to be made up later in normal-latitude regions
- Some communities use the times of the nearest city with normal calculations specifically for Ramadan
- Some accept the longer fasts as part of religious devotion
The diversity of approaches reflects the lack of a single authoritative answer. Each community works with its imam to settle on practice.
Diaspora considerations
Muslim diaspora communities in extreme latitude cities often face:
- Conflicting guidance from home country imams vs local imams about which method to use
- Confusion among new immigrants unfamiliar with local fiqh interpretations
- Difficulty maintaining tradition in environments very different from origin
Most established diaspora communities have settled into local norms over decades. New arrivals adapt or maintain home-country practice.
FAQ
What's the practical answer for someone in Stockholm?
Most Stockholm Muslim communities use the 1/7 night fraction approach for the few weeks of summer when standard calculations break. The rest of the year, standard 18° MWL or similar works fine.
Does the Islamic prayer time page handle this automatically?
Yes — for high-latitude cities, the page applies an appropriate fallback rule (typically 1/7 night fraction). The displayed times reflect that rule when standard calculation fails.
Should I follow my origin country's guidance or my new country's?
Generally, follow local community practice. Diaspora communities have established local norms; following them maintains community cohesion.
What if I'm traveling to extreme latitudes for a short time?
Travelers' rulings (qasr, jam') generally apply. Pray as you can; make up missed prayers if needed; consult your imam for specific situations.
Is 18° for Fajr just a convention?
Yes. 18° is one specific angle that became widely used. ISNA chose 15° for similar latitudes. The choice is essentially arbitrary within reasonable bounds. Different traditions made different choices.
Will this issue ever be resolved?
The diversity of practice has existed for centuries. Modern communications and travel have made the issue more visible, but no single resolution has been adopted. Diversity is likely to continue.
Bottom line
At extreme latitudes (above ~48°N) in summer, standard Islamic prayer-time calculations break because the sun doesn't drop below the required angle. Multiple traditional rulings address this — using closest-normal-city times, Mecca times, 1/7 night fraction, or fixed local angles. Different communities use different approaches; modern apps usually default to 1/7 night fraction.
For prayer times in high-latitude cities, the Islamic prayer time page handles the calculation automatically.