Zonguldak runs on UTC+3 every day of the year, with no daylight saving time.
Zonguldak and your time
Zonguldak at a glance
| Country | Türkiye |
|---|---|
| Region | Zonguldak Province |
| Time zone | Europe/Istanbul |
| UTC offset now | UTC+3 |
| Daylight saving time | Not observed since 2016 |
| Coordinates | 41.45° N, 31.79° E |
Zonguldak time zone and clock changes
Local time in Zonguldak is UTC+3 year round, under the Europe/Istanbul rules. Daylight saving time was used in the past, most recently in 2016, and no future change is scheduled.
All of Türkiye keeps the same time, so Zonguldak reads the same clock as Ankara.
Clock changes in Zonguldak, 2026 and 2027
No clock changes are scheduled in Zonguldak for 2026 or 2027.
Time difference between Zonguldak and other cities
Take 9:00 AM in Zonguldak: the clock reads 1:00 AM in New York, 5:00 PM in Sydney and 10:00 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 8 h behind | 8 h behind | 7 h behind | None |
| Los Angeles (United States) | --:-- | 11 h behind | 11 h behind | 10 h behind | None |
| London (United Kingdom) | --:-- | 3 h behind | 3 h behind | 2 h behind | 5 h |
| Paris (France) | --:-- | 2 h behind | 2 h behind | 1 h behind | 6 h |
| Dubai (United Arab Emirates) | --:-- | 1 h ahead | 1 h ahead | 1 h ahead | 7 h |
| Mumbai (India) | --:-- | 2 h 30 min ahead | 2 h 30 min ahead | 2 h 30 min ahead | 5 h 30 min |
| Singapore | --:-- | 5 h ahead | 5 h ahead | 5 h ahead | 3 h |
| Tokyo (Japan) | --:-- | 6 h ahead | 6 h ahead | 6 h ahead | 2 h |
| Sydney (Australia) | --:-- | 8 h ahead | 8 h ahead | 7 h ahead | None |
| UTC | --:-- | 3 h behind | 3 h behind | 3 h behind | 5 h |
Zonguldak never changes its clocks, but many of these cities do. Where the January and July columns disagree, the gap shifts when the other city moves to or from daylight saving time.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Daylight in Zonguldak
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Day length in Zonguldak runs from 9 hours 11 minutes at the December solstice to 15 hours 11 minutes at the June solstice. The latest sunset, at 8:31 PM, comes on June 27.
Daylight through the year in Zonguldak
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:57 AM | 7:05 PM | 12 h 8 min |
| June solstice | June 21 | 5:19 AM | 8:30 PM | 15 h 11 min |
| September equinox | September 23 | 6:41 AM | 6:49 PM | 12 h 8 min |
| December solstice | December 21 | 8:16 AM | 5:26 PM | 9 h 11 min |
When the sun is highest in Zonguldak
Zonguldak sits well west of the centre of its time zone. On average the sun reaches its highest point at about 12:55 PM on standard time, not at 12:00. Mornings stay dark longer and evenings stay light later than the clock suggests.
Places close to Zonguldak
Every city below shares Zonguldak’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Ereğli | 36 km (23 mi) | --:-- | Same time |
| Bartın | 50 km (31 mi) | --:-- | Same time |
| Karabük | 75 km (47 mi) | --:-- | Same time |
| Bolu | 81 km (50 mi) | --:-- | Same time |
| Düzce | 86 km (54 mi) | --:-- | Same time |
| Adapazarı | 138 km (86 mi) | --:-- | Same time |
| Kastamonu | 165 km (103 mi) | --:-- | Same time |
| Çubuk | 170 km (106 mi) | --:-- | Same time |
More cities in Türkiye
All time zones and cities in Türkiye
Plan around the time in Zonguldak
- Convert a time to or from Zonguldak: pick a date and time and see it in every city on your list.
- Add Zonguldak to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Zonguldak and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Zonguldak in?
Zonguldak uses the Europe/Istanbul time zone, which is UTC+3 all year.
Does Zonguldak use daylight saving time?
Not any more. Zonguldak last changed its clocks for daylight saving time in 2016 and now stays on UTC+3 all year.
What is the time difference between Zonguldak and New York?
Zonguldak is 8 hours ahead of New York in January and 7 hours ahead of New York in July, because New York moves its clocks for daylight saving time and Zonguldak does not.
Is Zonguldak on the same time as Ankara?
Yes. Zonguldak and Ankara both use UTC+3 right now.
How long is the longest day in Zonguldak?
About 15 hours 11 minutes, around the June solstice. The shortest day, around the December solstice, has about 9 hours 11 minutes of daylight.
Why is the sun not highest at noon in Zonguldak?
Clock time follows the time zone, not the sun. Zonguldak lies west of the line its offset is based on, so solar noon comes at about 12:55 PM on standard time.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.