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Zonguldak Province, Turkey

Zonguldak Province follows UTC+3 throughout the year. It observes Turkey’s single national time, makes no seasonal clock change and always shares its official hour with the rest of the country.

Zonguldak, Turkey

Friday, 4 September 2026

UTC+3 · Europe/Istanbul

Time and sun data for Zonguldak — the largest city of Zonguldak Province

The sun in Zonguldak

Sunrise 06:23 Solar noon 12:53 Sunset 19:23 Daylight 13 h 00 min Night 11 h 00 min Civil twilight 05:55 – 19:52

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Current time in Zonguldak Province, Turkey

The current local time in Zonguldak is obtained by adding three hours to UTC. This rule applies in winter and summer alike. Differences with foreign cities may still change when those cities enter or leave daylight saving time.

The province’s position on Turkey’s western Black Sea coast does not create a maritime or regional time zone. Port activity, rail and road schedules, business hours and public appointments all use ordinary Turkish time.

The Black Sea can change its mood quickly; Zonguldak’s UTC offset is considerably less temperamental.

Cities along the coast and inland

Zonguldak city is the provincial capital and an important coastal centre. Karadeniz Ereğli is another major city in the province. Çaycuma and Devrek serve inland and river-valley areas, while Kozlu and Kilimli are closely associated with the central coastal urban area.

Zonguldak city is the administrative centre. Karadeniz Ereğli lies along the coast west of the provincial capital. Kozlu and Kilimli are neighbouring coastal districts. Çaycuma is a significant district centre east of Zonguldak city.

Devrek is an inland centre, and every listed place uses UTC+3. A watch need not be adjusted while moving between these places. A location selector should still use the correct city for weather and daylight, because the province’s coast, valleys and hills create meaningful local differences that a single provincial result cannot capture.

Sunrise on the western Black Sea coast

Sunrise in Zonguldak changes daily and seasonally. Summer has a longer span between sunrise and sunset than winter, while spring and autumn mark the transition between those daylight patterns. The clocks stay fixed as the solar schedule moves.

Coastal viewpoints may offer a broad horizon in some directions, but Zonguldak’s rugged landscape can obstruct the first direct sunlight. A settlement in a valley may remain shaded after the calculated sunrise, whereas an exposed hillside can brighten sooner. Buildings and cloud add further variation.

Zonguldak city is an appropriate default for a general provincial sunrise. Karadeniz Ereğli, Çaycuma, Devrek and other districts should be checked separately when a plan depends on dawn. Astronomical sunrise is a calculated event; visible sunrise is an experience shaped by the observer’s surroundings.

For fishing, walking, photography or an early drive, it can also help to check twilight. Morning light develops before the solar disc reaches the horizon, though heavy cloud may make that light less useful.

Questions and answers

Does Zonguldak Province observe UTC+3?
Yes. UTC+3 is used throughout the year.
Is Karadeniz Ereğli in the same time zone as Zonguldak city?
Yes. All districts in the province share Turkey’s national time.
Why can the Sun appear later than the calculated sunrise?
Hills, valleys, buildings and cloud can prevent direct sunlight from being visible at the astronomical sunrise time.
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