Does Iceland have daylight saving time?

Magnús Jóhann Björnsson
17 Sep. 2025

If you're planning a self-drive trip and trying to work out flight connections, tour bookings, or a car rental pickup time, the Iceland time question comes up early. It matters more than it seems, because getting it wrong can mean missing an airport pickup slot or double-booking a tour against the wrong hour.

No, Iceland does not observe daylight saving time. Iceland stays on GMT/UTC+0 all year, so the clock never moves forward in spring or back in autumn. What does change is the time difference between Iceland and your home country, because places like the UK, mainland Europe, the US, and Canada continue to shift their own clocks. That's why the "Iceland time difference to UK" or to New York isn't fixed, it depends on the time of year in your home country, not in Iceland.

What time zone is Iceland in?

Iceland uses Greenwich Mean Time (GMT/UTC+0) year-round, listed on phones and computers as Atlantic/Reykjavik. Unlike almost every other country in Europe, there is no separate "summer time" or "winter time", the clock reading in January and the clock reading in July are on the same time zone.

This has been the case since 1968, when Iceland fixed its clocks permanently to GMT. The change wasn't political or unusual for its own sake; at Iceland's latitude, shifting the clock twice a year would have done almost nothing useful, for reasons covered below.

Why doesn't Iceland do daylight saving time?

Daylight saving time exists to shift an hour of daylight from the morning to the evening during the warmer months, which is genuinely useful at latitudes where daylight hours are fairly even year-round. Iceland's daylight hours are the opposite of even, which is why the system was dropped.

• Summer: around the June solstice, parts of Iceland barely get dark at all. Moving the clock forward wouldn't create more usable evening light, there's already almost no night to redistribute.
• Winter: in December and January, daylight can be limited to only a few hours around midday. No clock adjustment changes that; the sun simply isn't up for long.
• Practical alignment: staying on GMT year-round keeps Iceland in step with international aviation schedules, shipping, and broadcasting, without the twice-yearly confusion of a clock change.

In short, daylight saving time is built for places where shifting an hour meaningfully changes daily life. In Iceland, the swing between long midsummer days and short midwinter days already dwarfs anything a one-hour clock shift could do.

How the Iceland time difference to your country changes

Because Iceland's clock is fixed, the offset between Iceland and your home country moves whenever your country changes its own clocks, not when Iceland does anything. This is the part that trips people up when they ask "does Iceland observe daylight savings time" and then get confused about their own numbers shifting.

• Europe typically moves clocks forward on the last Sunday in March and back on the last Sunday in October.
• The US and Canada typically move clocks forward on the second Sunday in March and back on the first Sunday in November.

So if you're travelling around one of those changeover dates, the time difference to Iceland you calculated a week earlier may suddenly be an hour off, even though Iceland itself hasn't changed anything.

Iceland time difference table

Offsets last checked August 2026.

If you want the current time in Iceland right now, the simplest approach is to take your local time, apply the correct offset from the table above based on whether your own country is currently on standard or daylight saving time, or check a live world clock, since Iceland's own side of the equation never changes, only yours does.

What this means for flights, tours, and car rental pickups

Because Iceland doesn't shift its clock, every booking made in Icelandic local time stays fixed, the confusion only happens on your end, when your home country's clocks move. This is worth checking specifically around late March and late October, the two windows when most Northern Hemisphere countries change their clocks.

A few practical points for a self-drive trip:

• Flights: airlines display times in local time at each airport. If your home country has just switched clocks, recheck your departure and arrival times rather than assuming the gap you calculated last month is still accurate.
• Tours and activities: Icelandic operators run on GMT/UTC+0 year-round, so a tour "starting at 09:00" always means 09:00 Icelandic time, regardless of the season.
• Car rental pickup: confirm your pickup slot in Icelandic local time rather than converting it yourself, especially if you're booking from a country currently mid-way through a clock change. Blue Car Rental's online check-in lets you complete your details in advance and collect the car by key-box, which removes some of the pressure if your flight lands later than planned or your own time-zone maths was slightly off. The Keflavik Airport pickup location page has the practical details on where to go once you land.
• Card security: Blue Car Rental takes a credit-card imprint (not a deposit hold) at pickup, for full details see the car rental deposit options guide.

Mistakes to avoid when planning around Iceland time

Most Iceland time confusion comes from a handful of predictable mix-ups, not from Iceland's system itself being complicated.

• Assuming Iceland "changes with everyone else." It doesn't. If your country springs forward, Iceland stays exactly where it was.
• Booking a pickup time in your home time zone by mistake. Always confirm the pickup time in Icelandic local time (GMT/UTC+0), particularly for early morning arrivals at Keflavik.
• Forgetting the changeover dates. If your trip spans late March or late October, double-check your calculated time difference on either side of your home country's clock change.
• Confusing clock time with daylight. In Iceland, the number on the clock tells you almost nothing about how light or dark it will be outside, more on that below.

Daylight hours matter more than clock time

Because Iceland's daylight swings so dramatically between seasons, the practical planning question for a self-drive trip usually isn't "what time is it" but "how much daylight do I have to drive in." This is especially relevant for route planning.

In summer, near-endless daylight around the solstice means you can comfortably drive long Ring Road stretches in the evening without racing the sunset. In winter, daylight can be limited to a short window around midday, which changes how realistic certain routes and stops are in a single day. In Reykjavik, that means around 21 hours of daylight in late June, compared to roughly 4-5 hours in late December (as of August 2026). The winter driving guide covers how to plan drive times around genuinely short daylight hours rather than the clock, and the the low-season months article is a useful companion if you're weighing shoulder-season light levels against price and crowds.

Iceland time isn't complicated, the calculation around it is

The worry behind most of these searches isn't really about Iceland's clock, it's "will I miss my flight, tour, or pickup because of a time-zone mix-up." Iceland's side of that equation is simple and fixed: GMT/UTC+0, all year, no exceptions. The part that actually needs checking is your own country's clock status on the specific dates you're travelling, particularly if your trip straddles late March or late October.

For a self-drive itinerary, the practical habit worth building is to always confirm pickup, tour, and flight times in Icelandic local time rather than converting mentally, and to plan driving days around available daylight rather than the hour on the clock.