Updating current time…
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GuadeloupeAST
UTC−4
7h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Nov 12, 2026 = 8:00 am08:00 AST (UTC-4), Nov 12, 2026

Istanbul is 7 hours ahead of Basse-Terre.

How the time difference changes

Istanbul is 7 hours ahead of Basse-Terre year-round.

Working hours of 9:00 am to 6:00 pm in Istanbul correspond to 2:00 am to 11:00 am in Basse-Terre.Working hours of 09:00 to 18:00 in Istanbul correspond to 02:00 to 11:00 in Basse-Terre.

Compare Istanbul time with Basse-Terre time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

TRT (Turkey Time) is 7 hours ahead of AST (Atlantic Standard Time).
3:00 pm15:00 in Istanbul, Turkey is 8:00 am08:00 in Basse-Terre, Guadeloupe

Istanbul to Basse-Terre call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in Istanbul which corresponds to 9am-11am09:00-11:00 in Basse-Terre.

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
8:00 am08:00 AST (Atlantic Standard Time) (Basse-Terre, Guadeloupe). Offset UTC -4:00 hours

3:00 pm15:00 Istanbul, Turkey / 8:00 am08:00 Basse-Terre, Guadeloupe

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Istanbul, TurkeyBasse-Terre, Guadeloupe
5:00pm previous day
6:00pm previous day
7:00pm previous day
8:00pm previous day
9:00pm previous day
10:00pm previous day
11:00pm previous day
12:00am
1:00am
2:00am
3:00am
4:00am
5:00am
6:00am
7:00am
8:00am
9:00am
10:00am
11:00am
12:00pm
1:00pm
2:00pm
3:00pm
4:00pm
17:00 previous day
18:00 previous day
19:00 previous day
20:00 previous day
21:00 previous day
22:00 previous day
23:00 previous day
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00

Istanbul Time Zone and Facts

Time Zone

Abbreviation / Offset
TRT – Turkey Time, UTC+3 (no daylight saving time)

Istanbul Facts

Country
Turkey
Alternative Names
Bizanc, Bizánc, Byzance, Byzantion, Byzantium, Byzanz, Constantinoble, Constantinopla, Constantinople, Constantinopolen, Constantinopoli, Constantinopolis, Costantinopoli, Estambul, IST, Istamboul, Istambul, Istambuł, Istampoul, Istanbul, Istanbúl, Isztambul, Konstantinapoly, Konstantinopel, Konstantinopolo, Konstantinoupoli, Konstantinoupolis, Konstantinápoly, Kustantiniyah, Micklagard, Micklagård, Mikligardur, Mikligarður, Stamboul, Stambul, Stambula, Stambuł, Tsarigrad, Vizantija (Vizantija), Vyzantio, astnbwl, bijantium, byuzantion, byzntywn, iseutanbul, istambula, isutanburu, stin Poli [stimˈboli], yi si tan bu er, İstanbul, Βυζάντιο, Βυζαντιο, Ισταμπουλ, Ισταμπούλ, Κωνσταντινουπολη, Κωνσταντινούπολη, Κωνσταντινούπολις, στην Πόλι [stimˈboli], Византија (Vizantija), Истанбул, Стамбул, ביזנטיון, اسطنبول, इस्तांबुल, ইস্তাম্বুল, イスタンブール, ビュザンティオン, 伊斯坦布尔, 비잔티움, 이스탄불
Population
15,701,602
Currency
Lira (TRY)
Geographic Coordinates
41° 00' N Latitude / 28° 56' E Longitude
International Dialing Code
+90
Current Time in Turkey

Basse-Terre Time Zone and Facts

Time Zone

Abbreviation / Offset
AST – Atlantic Standard Time, UTC-4 (no daylight saving time)

Basse-Terre Facts

Country
Guadeloupe
Alternative Names
BBR, Bas Ter, Bas Teras, Bas-Tehr, Bas-Ter, Bas-Tero, Bas-ter, Bassa-Terra, Basse Terre, Basse-Terre, Bastera, Bastēra, Bâssa-Tèrra, ba si te er, bas-tr, bas-tyr, base-tera, baseuteleu, basuteru, paster, Μπας-Τερ, Бас Тер, Бас-Тер, Бас-Тэр, Бас-тер, Բաս Տեր, באס טר, باس-تر, باس-تير, باس-تیر, बासे-तेर, பாஸ்தெர், บัส-แตร์, ბას-ტერი, バステール, 巴斯特尔, 바스테르
Population
11,472
Currency
Euro (EUR)
Geographic Coordinates
15° 59' N Latitude / 61° 43' W Longitude
International Dialing Code
+590