Indexed entity
Constantine is the constantine-DZ record in Algeria: country slug algeria, city slug constantine, ISO DZ, continent Africa, canonical IANA zone Africa/Algiers.
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Live local time
Constantine, Algeria
11:01:38 AMTuesday, June 2, 2026 · Africa/Algiers
Quick answer
It is currently 11:01:38 AM (CET, UTC+01:00) in Constantine, Algeria — Business hours.
Pronunciation
Updated 8 days ago
Right now
12°C
Clear
3-day forecast
Tue
29°C
13°C
Wed
29°C
13°C
Thu
32°C
14°C
Updated 2026-05-22 · ECB rates
Code
DZD
Live ECB rate not available for this currency.
Conversion rates aren’t published for this currency by the ECB. The local code is shown for reference.
Today
Sunrise
05:16 AM
Sunset
07:46 PM
Day length
14h 29m
Golden hour
Blue hour
Civil twilight (–6°)
Nautical twilight (–12°)
Astronomical twilight (–18°)
Computed from latitude, longitude and date using the NOAA Solar Position Algorithm.
Reviewed by WorldClockTools editorial · Updated
Content reviewed Apr 30, 2026. City facts are content-reviewed separately from the live clock and from the generated city datasets. The current-time, daylight, weather, holiday, and business-overlap values are render-time snapshots for Constantine, not permanent claims; verify legal, travel, market, or compliance decisions with official local sources.
Live values rendered at Jun 2, 10:01 AM UTC.
Current local time
11:01:38 AM
Tuesday, June 2, 2026
Time zone
CET
Africa/Algiers · UTC+01:00
Next holiday
No upcoming public holiday in view
Holiday calendar signal unavailable
Business overlap now
2 / 8
Reference markets are overlapping with Constantine right now
Nearest airport
ALG
Houari Boumediene Airport · 306 km
Indexed airports
1
Curated airport references available for Algeria
Coordination board
A compact checklist for calls, launches, travel handoffs, and date-sensitive work tied to Constantine, Algeria.
Snapshot Jun 2, 2026 · 11:01 GMT+1
2 reference cities are overlapping now
Constantine is currently inside the simple 09:00-17:00 local planning window.
Local status
In window
Offset now
UTC+01:00
Zone label
GMT+1
London
11:01 AM / +0h
Dubai
02:01 PM / +3h
Schedule risk
No upcoming country holiday signal in view
Travel cue
ALG Algiers, 306 km
Daylight cue
Today's daylight window is 05:16 AM to 07:46 PM, with solar noon around 12:31 PM and total daylight of 14h 30m.
Mapped location
36.37°N, 6.61°E
Use these reference hubs as a first-pass call plan before opening a full meeting planner.
London
11:01 AM / +0h
Good live-call window with Constantine right now.
New York
06:01 AM / -5h
Use as a follow-up or async handoff, not an immediate-call default.
Los Angeles
03:01 AM / -8h
Use as a follow-up or async handoff, not an immediate-call default.
Dubai
02:01 PM / +3h
Good live-call window with Constantine right now.
Singapore
06:01 PM / +7h
Use as a follow-up or async handoff, not an immediate-call default.
Good for travel-day timing, hotel check-ins, and same-day arrival calls around Constantine.
ALG · Houari Boumediene Airport
Algiers
Lock the timezone, not the offset
Use Africa/Algiers for future-dated events. Current offset is UTC+01:00; stable January-to-July offset at UTC+01:00.
Pick a live coordination window
Start with London, Dubai because they overlap with Constantine right now.
Check local interruptions
No upcoming country holiday signal in view. Nearest curated airport reference: ALG Algiers, 306 km.
Guard against stale assumptions
No upcoming offset change was detected in the next two calendar years for Africa/Algiers. Editorial review date: 2026-04-30.
Watch the DST and holiday edge cases
Constantine has no near-term DST change or holiday interruption in view, but future rules can still be revised by local authorities.
These values are planning context from the live clock, IANA timezone rules, curated city and airport records, and holiday calendars when available. Confirm official office, aviation, market, legal, or compliance decisions with the relevant source.
Local planning context
Route, catalog identity, coordinates, population record, timezone snapshot, nearby cities, and travel anchors for Constantine.
Canonical route
/time/algeria/constantine/
Catalog identity
constantine-DZ · DZ · Africa
Coordinate cell
36.37°N, 6.61°E · lat 36.365 · lon 6.615 · cell 3637:661
Population record
448,028 residents · country rank 3
Zone snapshot
Africa/Algiers · GMT+1 · UTC+01:00
January / July offsets
UTC+01:00 / UTC+01:00
Nearest indexed neighbor
Annaba, Algeria · 119 km
Nearest world hub
London · 1,766 km
Closest airport references
ALG Algiers 306 km
Zone peer roster
Algiers, Algeria · Oran, Algeria · Annaba, Algeria
The page below keeps the timezone answer attached to the real local record for Constantine: country facts, coordinate bands, nearby-city distances, airport references, and current calendar signals.
Constantine is the constantine-DZ record in Algeria: country slug algeria, city slug constantine, ISO DZ, continent Africa, canonical IANA zone Africa/Algiers.
36.37°N, 6.61°E; Northern Hemisphere, Eastern Hemisphere; rounded latitude band 36 and longitude band 6; exact decimal pair 36.36500, 6.61472.
Algeria: official name People's Democratic Republic of Algeria; capital Algiers; region Africa; subregion Northern Africa; country population 47,400,000; area 2,381,741 km²; languages Arabic; currencies DZD Algerian dinar. This is the country layer behind the Constantine clock, not a generic timezone-only record.
Algeria: Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. Spanning over 2,381,741 square kilometres (919,595 sq mi), it is the largest country in Africa and the tenth largest in the world. It is bordered to the northeast by Tunisia; to the east by Libya; to the southeast by Niger; to the southwest by Mali, Mauritania, and Western Sahara; to the west by Morocco; and to the north by the Mediterranean Sea. With a population of over 47 million, Algeria is the tenth-most populous country in Africa. Its capital and largest city is Algiers. Source: Wikipedia.
Annaba [annaba-DZ, DZ, Africa/Algiers, 119 km]; Algiers [algiers-DZ, DZ, Africa/Algiers, 318 km]; Tunis [tunis-TN, TN, Africa/Tunis, 321 km]; Kairouan [kairouan-TN, TN, Africa/Tunis, 322 km]; Sousse [sousse-TN, TN, Africa/Tunis, 366 km]; Sfax [sfax-TN, TN, Africa/Tunis, 416 km]; Oran [oran-DZ, DZ, Africa/Algiers, 656 km]; Barcelona [barcelona-ES, ES, Europe/Madrid, 679 km]
Constantine is part of this indexed country cluster: Algiers [algiers-DZ, Africa/Algiers, pop 2,364,230]; Oran [oran-DZ, Africa/Algiers, pop 803,329]; Constantine [constantine-DZ, Africa/Algiers, pop 448,028]; Annaba [annaba-DZ, Africa/Algiers, pop 342,703].
London 1,766 km; Dubai 4,759 km; New York 6,773 km; São Paulo 8,694 km; Los Angeles 10,322 km; Singapore 10,562 km; Tokyo 10,650 km; Sydney 16,801 km
ALG Houari Boumediene Airport in Algiers [DZ, 306 km]
Country-level airport pages linked from this city context include ALG Houari Boumediene Airport in Algiers [DZ].
Constantine renders Jun 2, 2026 · 11:01 GMT+1; GMT+1 at UTC+01:00; January UTC+01:00; July UTC+01:00; next holiday not currently surfaced.
This evidence pack is what keeps smaller city pages from reading like timezone templates: concrete route, coordinate, population, timezone, neighbor, airport, holiday, and source signals currently available for Constantine.
Constantine is a context-and-reference city; rank #3 of 4 retained Algeria city pages. The route is /time/algeria/constantine/ and the city id is constantine-DZ.
Constantine has 14 of 17 factual signals available on this render. Missing long-form editorial is not treated as missing time data when route, zone, coordinates, country, nearby-city, and planning signals are present.
Constantine is pinned at 36.37°N, 6.61°E; Annaba (119 km); London (1,766 km).
Africa/Algiers resolves to stable UTC+01:00 offset across January and July. 3 retained city pages share this zone; 0 same-zone anchors are outside Algeria.
ALG Houari Boumediene Airport (306 km) · no upcoming public-holiday signal in view · 1 country airport reference · 0 holidays in the current country-year snapshot.
Constantine uses IANA timezone math, curated GeoNames-derived city records, a city reference summary, a country reference summary, OurAirports links where mapped, Nager.Date holiday rows where available, and local solar/weather snapshots where coordinates are present.
These notes are pulled from the city-context and reference-summary snapshots, so same-timezone cities do not rely only on shared UTC offset text.
Constantine, Algeria: Constantine, also spelled Qacentina or Kasantina, is the capital of Constantine Province in northeastern Algeria. During Roman times it was called Cirta and was renamed "Constantina" in honour of Emperor Constantine the Great. Located somewhat inland, Constantine is about 80 kilometres from the Mediterranean coast, on the banks of the Rhumel River.
Algeria last observed daylight saving in 1981 and has stayed at UTC+1 year-round since.
Algeria last observed daylight saving in 1981 and has stayed at UTC+1 year-round since.
Does not observe daylight saving time. The UTC offset (+01:00) is constant year-round.
Constantine is listed in the dataset snapshot as 1 hour ahead of UTC (offset +01:00). On the same clock as London, 8 hours behind Tokyo.
Geographically at longitude 6.61°, Constantine's mean solar noon falls about 34 minutes after civil 12:00 under the year-round civil offset — local sunrise and sunset run later on the clock than they would on true solar time.
Computed from the city coordinates using the NOAA solar position model across 2026. These values are mechanical and identical for every year-relative render, so two cities at different latitudes always produce distinct numbers.
Longest day
Jun 15 (14h 38m)
Shortest day
Dec 16 (9h 41m)
Year-round average
12h 11m
Annual swing
4h 57m
See the full daylight curve for Constantine at /sun/constantine/.
Each row projects a hub's 09:00-17:00 local working day into Constantine local time so a glance reveals when each market is reachable from this city.
| Hub | IANA zone | Window in Constantine |
|---|---|---|
| New York | America/New_York | 14:00 - 22:00 |
| London | Europe/London | 09:00 - 17:00 |
| Frankfurt | Europe/Berlin | 08:00 - 16:00 |
| Dubai | Asia/Dubai | 06:00 - 14:00 |
| Mumbai | Asia/Kolkata | 04:30 - 12:30 |
| Singapore | Asia/Singapore | 02:00 - 10:00 |
| Hong Kong | Asia/Hong_Kong | 02:00 - 10:00 |
| Tokyo | Asia/Tokyo | 01:00 - 09:00 |
Reference fields include Constantine's city id, coordinates, timezone, country profile, nearby cities, airport links, holidays, weather, and related event/market context.
Snapshot at render time: 11:01:38 AM on Tuesday, June 2, 2026 in Constantine (UTC+01:00, CET).
Status
Daytime
Week Number
Week 23
Day of Year
Day 153
Days Remaining
212
Sunrise and sunset
05:16 AM to 07:46 PM
Day length 14h 30m · Solar noon 12:31 PM
Tracked countdowns rendered for Constantine local time, with sunrise/sunset and DST stats per page.
NeurIPS 2026
keynoteSunday, December 6, 2026
187 days to go
Xbox Games Showcase 2026
keynoteSunday, June 7, 2026
5 days to go
Code with Claude Tokyo 2026
keynoteWednesday, June 10, 2026
8 days to go
ICML 2026
keynoteMonday, July 6, 2026
34 days to go
Adobe MAX 2026
keynoteTuesday, November 10, 2026
161 days to go
Population
448K
Coordinates
36.37, 6.61
Timezone
Africa/Algiers
Indexed airports
1
Capital
Algiers
Languages
Arabic
Currency
DZD (د.ج)
Country area
2,381,741 km²
Constantine, Algeria (population rank #3 in this dataset). Time zone: Africa/Algiers (CET, UTC+01:00); population ~448K.
Coordinates: 36.37°N, 6.61°E. Northern Hemisphere mid-latitudes, ~4037 km from the equator.
Today the sun rises around 05:16 AM and sets around 07:46 PM in Constantine — about 14h 30m of daylight. Algeria stays on standard time here, so UTC+01:00 is stable through the year.
Annaba (119 km from Constantine) gives this page its nearest mapped city context, with 1 curated airport pages indexed for Algeria.
Constantine is indexed as a Africa city in the DZ country record, using Africa/Algiers as its canonical IANA timezone. The canonical route for this city is /time/algeria/constantine/.
Location context: 36.37°N, 6.61°E; population 448,028; nearest indexed city Annaba is about 119 km away; closest reference hub is London, about 1,766 km away.
Country planning context: capital Algiers; subregion Northern Africa; languages Arabic; currency DZD (د.ج); area 2,381,741 km²; 1 curated airport references; no upcoming holiday signal currently in view.
Algeria last observed daylight saving in 1981 and has stayed at UTC+1 year-round since.
Does not observe daylight saving time. The UTC offset (+01:00) is constant year-round.
Constantine is listed in the dataset snapshot as 1 hour ahead of UTC (offset +01:00). On the same clock as London, 8 hours behind Tokyo.
Geographically at longitude 6.61°, Constantine's mean solar noon falls about 34 minutes after civil 12:00 under the year-round civil offset — local sunrise and sunset run later on the clock than they would on true solar time.
Constantine sits at 36.37°N in the northern hemisphere — daylight runs roughly 14 hours 29 minutes on the June solstice and about 9 hours 31 minutes on the December solstice.
Mid-sized city with around 448 thousand residents — busy enough to keep regular international business hours, small enough to retain a regional character. (Constantine city-proper figure.)
Related clock anchors for Constantine: Algiers (same time), Sydney (+9h), Tokyo (+8h), San Francisco (−8h), Los Angeles (−8h).
Cross-link to the most-searched comparison pages so you can plan calls and travel between cities.
algeria
Tuesday, June 2, 2026
Timezone
CET
IANA Zone
Africa/Algiers
UTC Offset
UTC+01:00
DST Status
Standard Time
Week Number
Week 23
Day of Year
Day 153
Days Remaining
212
Quarter
Q2
London
+0h
New York
-5h
Los Angeles
-8h
Dubai
+3h
Singapore
+7h
Tokyo
+8h
Sydney
+9h
São Paulo
-4h
Year-long daylight curve. Shows how dramatic high-latitude summers are.
Shows whether it's currently business hours (9am to 5pm) in major financial centers, and how many hours they overlap with Constantine.
City time, coordinate and population facts on this page are derived from the following authoritative datasets.
Distances from Constantine: closest hubs London (~1,766 km), Dubai (~4,759 km), New York (~6,773 km); farthest indexed hub Sydney (~16,801 km).
Constantine sits inside Algeria — the Northern Africa subregion, capital Algiers, languages Arabic, currency DZD (د.ج).
Closest indexed cities to Constantine: Annaba (119 km), Algiers (318 km), Tunis (321 km), Kairouan (322 km).
Closest curated airport references from Constantine: ALG Algiers (306 km).
Houari Boumediene AirportALG
Algiers · 306 km from Constantine
Approx. transfer or flight-planning window: 1h 9m
Exchange snapshot
Currency snapshot unavailable
Coordination pulse
2 of 8 reference markets are in live business-hour overlap now
| City | Current local time | Difference | Business-hours overlap |
|---|---|---|---|
| London | 11:01 AM | +0h | Good to call now |
| New York | 06:01 AM | -5h | Check the overlap widget below |
| Los Angeles | 03:01 AM | -8h | Check the overlap widget below |
| Dubai | 02:01 PM | +3h | Good to call now |
| Singapore | 06:01 PM | +7h | Check the overlap widget below |
| Tokyo | 07:01 PM | +8h | Check the overlap widget below |
| Sydney | 08:01 PM | +9h | Check the overlap widget below |
| São Paulo | 07:01 AM | -4h | Check the overlap widget below |
Constantine is in the Africa/Algiers timezone (CET), with a UTC offset of +01:00.
Constantine does not have a detected daylight-saving offset change in the current IANA rules. The offset resolves to UTC+01:00 in both January and July for this year.
The current UTC offset for Constantine is UTC+01:00.
No. The business-hours blocks use a simple 09:00-17:00 local-time planning window for Constantine, plus live comparisons with reference cities. Confirm office, market, legal, or holiday-sensitive hours with the relevant official source.
The live clock, offset, daylight, weather, holiday, and business-overlap values are render-time snapshots from Jun 2, 2026 · 11:01 GMT+1. Static city facts are reviewed separately and come from curated timezone, city, airport, holiday, and country-profile datasets.
Constantine sits at 36.37°N, 6.61°E in Algeria, with about 448K residents (rank #3 by population in this dataset).
The closest reference hub to Constantine is London, about 1,766 km away as the crow flies.
Annaba is the closest indexed city, roughly 119 km from Constantine.
Houari Boumediene Airport (ALG) is the closest curated airport reference, about 306 km from Constantine.
Constantine uses Algerian dinar (DZD, symbol د.ج) as the local currency of Algeria.
The longest day of 2026 in Constantine falls on Jun 15 with about 14h 38m of daylight. The shortest is Dec 16 with 9h 41m; the year-round average is 12h 11m.
In Constantine local time, the 09:00-17:00 working day of major hubs falls at: New York 14:00-22:00; London 09:00-17:00; Frankfurt 08:00-16:00; Dubai 06:00-14:00. These windows shift twice a year when northern-hemisphere DST starts and ends.