Updating current time…
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PortugalAZOT
UTC−1
4h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Oct 30, 2026 = 11:00 am11:00 AZOT (UTC-1), Oct 30, 2026

Istanbul is 4 hours ahead of Sao Mateus.

How the time difference changes

For most of the year, Istanbul is 3 hours ahead of Sao Mateus, Portugal. From Oct 25, 2026 to Mar 28, 2027, Istanbul is 4 hours ahead of Sao Mateus, Portugal.

For most of the year, working hours of 9:00 am to 6:00 pm in Istanbul correspond to 6:00 am to 3:00 pm in Sao Mateus, Portugal. At other times of the year, working hours of 9:00 am to 6:00 pm in Istanbul correspond to 5:00 am to 2:00 pm in Sao Mateus, Portugal.For most of the year, working hours of 09:00 to 18:00 in Istanbul correspond to 06:00 to 15:00 in Sao Mateus, Portugal. At other times of the year, working hours of 09:00 to 18:00 in Istanbul correspond to 05:00 to 14:00 in Sao Mateus, Portugal.

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

Time Difference

TRT (Turkey Time) is 4 hours ahead of AZOT (Azores Time).
3:00 pm15:00 in Istanbul, Turkey is 11:00 am11:00 in Sao Mateus, Portugal

Istanbul to Sao Mateus call time
Best time for a conference call or a meeting is between 1pm-6pm13:00-18:00 in Istanbul which corresponds to 9am-2pm09:00-14:00 in Sao Mateus

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
11:00 am11:00 AZOT (Azores Time) (Sao Mateus, Portugal). Offset UTC -1:00 hours

3:00 pm15:00 Istanbul, Turkey / 11:00 am11:00 Sao Mateus, Portugal

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, TurkeySao Mateus, Portugal
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
5:00pm
6:00pm
7:00pm
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
17:00
18:00
19:00

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

Sao Mateus Time Zone and Facts

Time Zone

Abbreviation / Offset
AZOT – Azores Time, UTC-1 (now)
AZOST – Azores Summer Time, UTC+0 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 12:00 amSunday, March 28, 2027 at 00:00: clocks go forward 1 hour to 1:00 am01:00 (AZOST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 1:00 amSunday, October 31, 2027 at 01:00: clocks go back 1 hour to 12:00 am00:00 (AZOT). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.

Sao Mateus Facts

Country
Portugal
Population
3,757
Currency
Euro (EUR)
Geographic Coordinates
38° 39' N Latitude / 27° 16' W Longitude
International Dialing Code
+351