Costa Marques to Istanbul Time Converter

Updating current time…
Costa Marques
BrazilAMT
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 AMT (UTC-4), Oct 31, 2026 = 3:00 pm15:00 TRT (UTC+3), Oct 31, 2026

Costa Marques is 7 hours behind Istanbul.

How the time difference changes

Costa Marques is 7 hours behind Istanbul year-round.

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

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

Time Difference

AMT (Amazon Time) is 7 hours behind TRT (Turkey Time).
8:00 am08:00 in Costa Marques, Brazil is 3:00 pm15:00 in Istanbul, Turkey

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

8:00 am08:00 AMT (Amazon Time) (Costa Marques, Brazil). Offset UTC -4:00 hours
3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours

8:00 am08:00 Costa Marques, Brazil / 3:00 pm15:00 Istanbul, Turkey

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
Costa Marques, BrazilIstanbul, Turkey
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Costa Marques Time Zone and Facts

Time Zone

Abbreviation / Offset
AMT – Amazon Time, UTC-4 (no daylight saving time)

Costa Marques Facts

Country
Brazil
Population
12,627
Currency
Real (BRL)
Geographic Coordinates
12° 26' S Latitude / 64° 13' W Longitude
International Dialing Code
+55
More About Costa Marques
Costa Marques 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