Istanbul to Reino de Antula Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Reino de Antula
Guinea BissauGMT
UTC+0
3h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Nov 1, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 1, 2026

Istanbul is 3 hours ahead of Reino de Antula.

How the time difference changes

Istanbul is 3 hours ahead of Reino de Antula year-round.

Working hours of 9:00 am to 6:00 pm in Istanbul correspond to 6:00 am to 3:00 pm in Reino de Antula.Working hours of 09:00 to 18:00 in Istanbul correspond to 06:00 to 15:00 in Reino de Antula.

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

Time Difference

TRT (Turkey Time) is 3 hours ahead of GMT (Greenwich Mean Time).
3:00 pm15:00 in Istanbul, Turkey is 12:00 pm12:00 in Reino de Antula, Guinea Bissau

Istanbul to Reino de Antula call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in Istanbul which corresponds to 9am-3pm09:00-15:00 in Reino de Antula

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (Reino de Antula, Guinea Bissau). Offset UTC 0:00 hours

3:00 pm15:00 Istanbul, Turkey / 12:00 pm12:00 Reino de Antula, Guinea Bissau

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, TurkeyReino de Antula, Guinea Bissau
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
5:00pm
6:00pm
7:00pm
8:00pm
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
17:00
18:00
19:00
20:00

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

Reino de Antula Time Zone and Facts

Time Zone

Abbreviation / Offset
GMT – Greenwich Mean Time, UTC+0 (no daylight saving time)

Reino de Antula Facts

Country
Guinea Bissau
Population
30,778
Currency
Franc (XOF)
Geographic Coordinates
11° 54' N Latitude / 15° 34' W Longitude
International Dialing Code
+245
More About Reino de Antula
Reino de Antula local time and city facts