Ireland · IST
Tue, 15 Sept 2026
Timezone Guide
Cork, Ireland runs on UTC+1. Clocks move forward each spring and back each autumn: UTC+0 in winter, UTC+1 in summer. Next change: 26 Oct. There is a 5-hour difference between Cork and New York. Standard 9-to-6 working hours overlap for about 4 hours a day with New York. A good time to connect: 14:00–18:00 in Cork lines up with 09:00–13:00 in New York. Cork and London currently share the same clock. Standard 9-to-6 working hours overlap for about 9 hours a day with London. A good time to connect: 09:00–18:00 in Cork lines up with 09:00–18:00 in London. There is a 8-hour difference between Cork and Tokyo. Standard 9-to-6 working hours overlap for about 1 hours a day with Tokyo. A good time to connect: 09:00–10:00 in Cork lines up with 17:00–18:00 in Tokyo. This timezone is also shared with cities such as Lisbon, Lagos, Casablanca. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Cork.
Practical Info
Cork (Ireland) is home to roughly 220K people. Today brings about 16.7 hours of daylight: sunrise at 05:12, sunset at 21:54. Clocks move forward each spring and back each autumn: UTC+0 in winter, UTC+1 in summer. Next change: 26 Oct. It sits in the Northern Hemisphere, about 52° north of the equator. Traffic drives on the left.
Flag
Ireland
Capital
Dublin
Continent
Europe
Time Zone
IST · Europe/Dublin
Coordinates
51.90°N, 8.47°W
Currency
EUR (€)
Calling Code
+353
Driving Side
Left
Hemisphere
Northern
Language
Irish, English
Measurement System
Metric
Did You Know?
Cork Harbour is often described as one of the largest natural harbours in the world by area. It was the last port of call for the Titanic, and for around 2.5 million Irish emigrants who left through Cobh between 1848 and 1950.
The clock: Ireland's summer clock is legally the standard one and winter is the deviation — a legislative quirk left over from the 1968–71 experiment with year-round summer time. The hands do the same thing either way.
Annual Daylight
Working Hours
7h overlap