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Municipality of Idrija, Slovenia

Municipality of Idrija uses Central European Time during standard time and Central European Summer Time during Slovenia’s daylight-saving season.

Idrija, Slovenia

09:49:21

Friday, 4 September 2026

UTC+2 · Europe/Ljubljana

Time and sun data for Idrija — the largest city of Municipality of Idrija

The sun in Idrija

Sunrise 06:29 Solar noon 13:05 Sunset 19:40 Daylight 13 h 10 min Night 10 h 50 min Civil twilight 05:59 – 20:10

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Current time in Municipality of Idrija, Slovenia

Idrija’s clock is the same as the clock elsewhere in Slovenia. Settlements across the municipality share this civil time despite differences in elevation, terrain, or distance from the municipal centre.

For a meeting abroad, use the date-specific difference shown by a reliable world clock. Memorizing a single offset between Idrija and another city can fail when the two places change their clocks on different schedules. Mountain roads can make a journey feel longer; they are not authorized to alter the hour.

When Idrija uses CET and CEST

CET is Slovenia’s standard time and corresponds to UTC+1. CEST is the daylight-saving setting and corresponds to UTC+2. Idrija changes between them together with the rest of the country. The correct IANA zone is Europe/Ljubljana.

CET applies during standard time. CEST applies during daylight saving time. Municipal settlements do not choose their own clock rules. Europe/Ljubljana is the best selection for software because it represents a region and its applicable rules. An offset such as UTC+1 represents only a numerical difference and cannot adjust itself seasonally.

Idrija and its principal settlements

Idrija is the administrative centre and the municipality’s main urban reference. Spodnja Idrija is another significant settlement, while Godovič and Črni Vrh are useful reference points elsewhere in the municipality. All observe identical local time.

Settlement size does not affect the clock, but location matters slightly for solar calculations. A sunrise value centred on Idrija is suitable for general orientation; a remote trail or settlement is better served by its own coordinates.

Sunrise among steep terrain

The daily sunrise and sunset times change across the seasons. Their displayed clock values must account both for the Sun’s changing position and for the active CET or CEST offset. In steep or enclosed terrain, calculated sunrise may precede the first direct sunlight by a noticeable practical interval. The standard calculation uses an idealized horizon, whereas an observer may face a slope, ridge, forest, or building.

Specify the date of the planned activity. Use coordinates close to the actual destination. Read the value as Europe/Ljubljana local time. Check terrain, twilight, and weather separately. Twilight can provide outdoor visibility before sunrise and after sunset, though conditions vary. Anyone depending on daylight for a route should avoid treating a single astronomical timestamp as a guarantee of clear illumination.

Questions and answers

Is Idrija one hour different from other Slovenian municipalities?: No. It follows the same national time as every other part of Slovenia.
Which place is the best municipal time reference?: Idrija itself is the clearest general reference because it is the municipal centre.
Why does terrain matter to sunrise?: A high local horizon can block direct sunlight after the Sun has astronomically risen.