| CITY | LOCAL TIME | Difference | Coming up |
|---|---|---|---|
| London United Kingdom | 01:00 | ±0h | Becomes −1h on 25 Oct |
| Berlin Germany | 02:00 | +1h | Becomes ±0h on 25 Oct |
| Dubai UAE | 04:00 | +3h | |
| Tokyo Japan | 09:00 | +8h | |
| Sydney Australia | 10:00 | +9h | Becomes +10h on 4 Oct |
| New York United States | 20:00Wed | −5h | Becomes −6h on 1 Nov |
| Los Angeles United States | 17:00Wed | −8h | Becomes −9h on 1 Nov |
Constantine, Algeria runs on UTC+1. This time zone stays fixed year-round at UTC+1 — daylight saving time is not observed. The time difference between Constantine and New York is 5 hours. 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 Constantine lines up with 09:00–13:00 in New York. Constantine 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 Constantine lines up with 09:00–18:00 in London. The time difference between Constantine and Tokyo is 8 hours. Standard 9-to-6 working hours overlap for about 1 hour a day with Tokyo. A good time to connect: 09:00–10:00 in Constantine lines up with 17:00–18:00 in Tokyo. This timezone is also shared with cities such as Lagos, Kinshasa, Algiers. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Constantine.
Constantine (Algeria) is home to roughly 448K people. Today brings about 11.9 hours of daylight: sunrise at 06:27, sunset at 18:19. This time zone stays fixed year-round at UTC+1 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 36° north of the equator. Traffic drives on the right.
Flag
Algeria
Capital
Algiers
Continent
Africa
Time Zone
UTC+1 · Africa/Algiers
Coordinates
36.37°N, 6.61°E
Currency
DZD (د.ج)
Calling Code
+213
Driving Side
Right
Hemisphere
Northern
Language
Arabic, Berber
Measurement System
Metric
Did You Know?
Constantine sits on a plateau split by the Rhumel gorge, up to about 180 metres deep, and is connected to itself by a series of bridges — including the Sidi M'Cid suspension bridge, 175 metres above the river.
The clock: Constantine keeps UTC+1. The city has been continuously inhabited for roughly 2,500 years and was named for the emperor who rebuilt it in AD 313.
Constantine lies at 6.6°E. Its time zone, UTC+1, is built around the 15°E meridian. The 8.4° gap between them means the clock runs roughly 34 minutes ahead of the sun: solar noon arrives at about 12:34 rather than 12:00. The zone holds UTC+1 all year — there is no daylight saving here.
The longest day of 2026 is 22 June, with 14h 39m of daylight. The shortest is 22 December, with 9h 41m. The swing between them is 4h 58m. This is the latitude band where the difference between summer and winter evenings is most obvious.
The earliest sunrise and the latest sunset do not land on the longest day. In Constantine the sun comes up earliest on 14 June at 05:15, while the latest sunset waits until 30 June at 19:55. The equation of time is what separates them: the Earth's elliptical orbit and axial tilt move solar noon back and forth by several minutes over the year.
The sky stays usably light for a while after the sun goes down. In Constantine that civil twilight runs about 26 minutes at the equinox.
Every figure in this section is computed from the city's own latitude, longitude and IANA time zone using NOAA solar algorithms (Spencer, 1971), accurate to about ±2 arcminutes below 65° latitude.
The official timezone for Constantine, Algeria is Africa/Algiers with a current UTC offset of UTC+1.
Constantine has an estimated population of 448K and is located at coordinates 36.37°N, 6.61°E.
Constantine gets 14h 39m of daylight on its longest day and 9h 41m on its shortest, averaging 12h 11m a day across the year.
Solar noon in Constantine falls at about 12:34 on UTC+1 standard time, because the city sits 8.4° from the meridian its zone is built on.
The City of Bridges: Constantine sits on a plateau split by the Rhumel gorge, up to about 180 metres deep, and is connected to itself by a series of bridges — including the Sidi M'Cid suspension bridge, 175 metres above the river.