4.5 out of 5 — 431876 votes

Aargau, Switzerland

Aargau follows Switzerland’s Central European clock: CET in standard time and CEST during daylight saving. Aarau, Baden, Wettingen, Wohlen, and the canton’s other communities share one time, with locally varying sunrise and sunset.

Aarau, Switzerland

Friday, 4 September 2026

UTC+2 · Europe/Zurich

Time and sun data for Aarau — the largest city of Aargau

The sun in Aarau

Sunrise 06:52 Solar noon 13:28 Sunset 20:05 Daylight 13 h 14 min Night 10 h 46 min Civil twilight 06:20 – 20:37

Switzerland · 424 cities · page 1 of 3

Largest cities

All cities — page 1

Current time in Aargau, Switzerland

The canton has no internal time difference. The time displayed in Aarau is also valid in Baden, Zofingen, Brugg, and every municipality between them. Switzerland uses Central European Time, UTC+1, as standard time. During the daylight-saving part of the year, Aargau changes to Central European Summer Time, UTC+2. The transition is national and is coordinated with neighbouring countries that follow the same European arrangement.

A location-based clock setting is preferable to saving a fixed UTC offset. A fixed UTC+1 setting will not account for the period when Swiss clocks use UTC+2. Aargau’s municipalities may guard their local character, but none insists on setting lunch an hour ahead of the neighbours.

Aarau, Baden, and the cantonal clock

Aarau is the cantonal capital. Baden, Wettingen, Wohlen, Zofingen, and Brugg are among the canton’s well-known urban centres. Their transport times, business hours, and appointments all use the same Swiss local time.

Aarau is a suitable reference city for the cantonal clock. Baden and Wettingen require no time conversion from Aarau. Wohlen, Zofingen, and Brugg follow the same seasonal change. Municipal boundaries do not affect the time-zone offset.

International visitors should check their home location’s seasonal rules. Even when two countries both change clocks, a temporary difference can arise if their transition calendars are not aligned.

Reading sunrise information in Aargau

Sunrise and sunset move through the clock as the seasons progress. Summer gives Aargau earlier mornings and longer evenings; winter brings later sunrises and earlier sunsets. The rate of daily change also varies during the year.

The canton's towns are close enough to share the same broad pattern, but a precise sunrise calculation belongs to one coordinate. Elevated ground, hills, buildings, and trees can delay direct visibility even when the calculated Sun has reached an ideal horizon.

Choose Aarau for a general cantonal indication or select the actual municipality for a local plan. For hiking or driving, consider twilight and weather alongside the formal solar times. Sunrise describes an astronomical event, not a guarantee that sunshine will reach the ground through cloud or fog.

Questions and answers

What is Aargau’s standard time?
It is CET, which has an offset of UTC+1.
Does Aargau observe daylight saving?
Yes. It uses CEST, UTC+2, during Switzerland’s daylight-saving period.
Will sunrise be identical in Aarau and Baden?
Not exactly. Their coordinates and local horizons differ, although their civil clocks are the same.
All pages