Koolbaai to Istanbul Time Converter

Updating current time…
Koolbaai
Sint MaartenAST
UTC−4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Istanbul
TurkeyTRT
UTC+3
7h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

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

Koolbaai is 7 hours behind Istanbul.

How the time difference changes

Koolbaai is 7 hours behind Istanbul year-round.

Working hours of 9:00 am to 6:00 pm in Koolbaai correspond to 4:00 pm to 1:00 am (next day) in Istanbul.Working hours of 09:00 to 18:00 in Koolbaai correspond to 16:00 to 01:00 (next day) in Istanbul.

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

Time Difference

AST (Atlantic Standard Time) is 7 hours behind TRT (Turkey Time).
8:00 am08:00 in Koolbaai, Sint Maarten is 3:00 pm15:00 in Istanbul, Turkey

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

8:00 am08:00 AST (Atlantic Standard Time) (Koolbaai, Sint Maarten). Offset UTC -4:00 hours
3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours

8:00 am08:00 Koolbaai, Sint Maarten / 3:00 pm15:00 Istanbul, Turkey

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Hourly time comparison
Koolbaai, Sint MaartenIstanbul, Turkey
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Koolbaai Time Zone and Facts

Time Zone

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

Koolbaai Facts

Country
Sint Maarten
Population
6,000
Currency
Guilder (XCG)
Geographic Coordinates
18° 02' N Latitude / 63° 05' W Longitude
International Dialing Code
+1 721
More About Koolbaai
Koolbaai local time and city facts

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
More About Istanbul
Istanbul local time and city facts
Current Time in Turkey
Turkey time now