Offset
The time difference between Porto Alegre and Istanbul is 6 hours.
Porto Alegre (BRT) is behind Istanbul (TRT).
BRT: UTC-3
TRT: UTC+3
Neither Porto Alegre nor Istanbul is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–11 AM in Porto Alegre (3 PM–5 PM in Istanbul).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Porto Alegre (4:00 PM Istanbul).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Brazil
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- TiradentesTue, Apr 21
- Labour DayFri, May 1
- Corpus ChristiThu, Jun 4
- Independence DayMon, Sep 7
- Our Lady of AparecidaMon, Oct 12
- All Souls' DayMon, Nov 2
- Republic Proclamation DaySun, Nov 15
- Black Awareness DayFri, Nov 20
- Christmas DayFri, Dec 25
Turkey
- New Year's DayThu, Jan 1
- National Independence & Children's DayThu, Apr 23
- Labour DayFri, May 1
- Atatürk Commemoration & Youth DayTue, May 19
- Democracy and National Unity DayWed, Jul 15
- Victory DaySun, Aug 30
- Republic DayThu, Oct 29
About these zones
Porto Alegre uses Brasilia Time (BRT). To call Brazil, dial +55.
Istanbul uses Turkey Time (TRT). To call Turkey, dial +90.
Istanbul is approximately 7,100 miles northeast of Porto Alegre.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Porto Alegre | Istanbul | Day |
|---|---|---|
| 12:00 am | 6:00 am | Same day |
| 1:00 am | 7:00 am | Same day |
| 2:00 am | 8:00 am | Same day |
| 3:00 am | 9:00 am | Same day |
| 4:00 am | 10:00 am | Same day |
| 5:00 am | 11:00 am | Same day |
| 6:00 am | 12:00 pm | Same day |
| 7:00 am | 1:00 pm | Same day |
| 8:00 am | 2:00 pm | Same day |
| 9:00 am | 3:00 pm | Same day |
| 10:00 am | 4:00 pm | Same day |
| 11:00 am | 5:00 pm | Same day |
| 12:00 pm | 6:00 pm | Same day |
| 1:00 pm | 7:00 pm | Same day |
| 2:00 pm | 8:00 pm | Same day |
| 3:00 pm | 9:00 pm | Same day |
| 4:00 pm | 10:00 pm | Same day |
| 5:00 pm | 11:00 pm | Same day |
| 6:00 pm | 12:00 am | +1 day |
| 7:00 pm | 1:00 am | +1 day |
| 8:00 pm | 2:00 am | +1 day |
| 9:00 pm | 3:00 am | +1 day |
| 10:00 pm | 4:00 am | +1 day |
| 11:00 pm | 5:00 am | +1 day |
Daylight saving time
Neither Porto Alegre nor Istanbul observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 7:17 AM
- Sunset
- 5:47 PM
- Day length
- 10h 31m
- Sunrise
- 5:52 AM
- Sunset
- 8:31 PM
- Day length
- 14h 39m
Daylight overlap: 7h 14m — 7:17 AM–2:31 PM in Porto Alegre (1:17 PM–8:31 PM in Istanbul). Both locations are in daylight during this window.
Cities in these zones
Other cities in Brasilia Time
Other cities in Turkey Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Airports in Turkey Time
- IST
- SAW
- ESB
- YEI
- ADB
- GZT
- DIY
- ADA
- COV
- ASR
Related conversions
Common conversions
- What is 9:00 am Porto Alegre in Istanbul?
- 9:00 am Porto Alegre is 3:00 pm Istanbul.
- What is 12:00 pm Porto Alegre in Istanbul?
- 12:00 pm Porto Alegre is 6:00 pm Istanbul.
- What is 12:30 pm Porto Alegre in Istanbul?
- 12:30 pm Porto Alegre is 6:30 pm Istanbul.
- What is 2:00 pm Porto Alegre in Istanbul?
- 2:00 pm Porto Alegre is 8:00 pm Istanbul.
- What is 5:00 pm Porto Alegre in Istanbul?
- 5:00 pm Porto Alegre is 11:00 pm Istanbul.
- What is 11:30 pm Porto Alegre in Istanbul?
- 11:30 pm Porto Alegre is 5:30 am Istanbul, the next day.