Current Time in Gölcük, Gölcük İlçesi, Kocaeli, Turkey

4:21:31 PM

16:21:31

+03 (Türkiye Standard Time) · UTC+03:00

Europe/Istanbul

Clock format
|
Compare Gölcük timeView Gölcük on map
Time zone details

Gölcük does not observe daylight saving time in 2026

Daylight in Gölcük

Sunrise6:59 AMSolar noon12:49 PMSunset6:39 PM
Clock change statusNo clock changes are scheduled for Gölcük in the next 12 monthsView scheduleWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
Turkey
Administrative area
Kocaeli
District
Gölcük İlçesi
Place type
City or town
Country currency
Turkish Lira (TRY)

Practical

Languages
Turkish, Kurdish, Zaza, Azerbaijani, Avaric
Dialing code
+90
Population
56,189
Elevation
Approximately 56 m (DEM estimate)

Geography

Geographic coordinates
40° 42' N / 29° 49' E
View on map

Convert Gölcük time

Compare Gölcük with another city or time zone

Ready to convert

Clock changes in Gölcük

2026

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030
Turkey daylight saving timeClock changes worldwide

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
11 hr 41 min2 min 40 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Third QuarterMoon illumination52%
View full Sun & Moon detailsHide full Sun & Moon details

Saturday, October 3, 2026

View Gölcük on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
11 hr 41 min2 min 40 sec shorter than the previous day
Solar noon
(45.3° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Third Quarter (52% illuminated)
Moonrise
Moonset
Previous principal phase
Full Moon — Saturday, September 26, 2026 at
Next principal phase
Third Quarter — Saturday, October 3, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
11 hr 41 min2 min 40 sec shorter than the previous day
11 hr 38 min2 min 40 sec shorter than the previous day
11 hr 35 min2 min 39 sec shorter than the previous day
11 hr 33 min2 min 40 sec shorter than the previous day
11 hr 30 min2 min 39 sec shorter than the previous day
11 hr 27 min2 min 39 sec shorter than the previous day
11 hr 25 min2 min 39 sec shorter than the previous day

Weather forecast for Gölcük

Temperature unit
|

Loading weather forecast…

Plan around Gölcük

Upcoming national public holidays in Turkey

  1. Republic Day
  2. New Year's Day
  3. End of Ramadan (Eid al-Fitr)

Frequently asked questions

What time zone is Gölcük in?
Gölcük currently uses Türkiye Standard Time (UTC+03:00). Its IANA time zone is Europe/Istanbul.
When is the next clock change in Gölcük?
No clock changes are scheduled for Gölcük in the next 12 months
Does Gölcük observe daylight saving time?
Gölcük does not observe daylight saving time in 2026
What is the UTC offset in Gölcük right now?
Gölcük is currently UTC+03:00