Porto Alegre runs on UTC−3 every day of the year, with no daylight saving time.
Porto Alegre and your time
Porto Alegre at a glance
| Country | Brazil |
|---|---|
| Region | Rio Grande do Sul |
| Time zone | America/Sao_Paulo |
| UTC offset now | UTC−3 |
| Daylight saving time | Not observed since 2019 |
| Coordinates | 30.03° S, 51.23° W |
Which time zone Porto Alegre uses
The clocks in Porto Alegre follow America/Sao_Paulo and do not move with the seasons. The last daylight saving period here was in 2019. Since then the offset has stayed at UTC−3.
Although Brazil has 4 different offsets, Porto Alegre keeps the same time as Brasília.
Clock changes in Porto Alegre, 2026 and 2027
No clock changes are scheduled in Porto Alegre for 2026 or 2027.
Porto Alegre time compared with major cities
A 9:00 AM start in Porto Alegre is 12:00 PM in London, 11:00 PM in Sydney and 4:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 2 h behind | 2 h behind | 1 h behind | 6 h |
| Los Angeles (United States) | --:-- | 5 h behind | 5 h behind | 4 h behind | 3 h |
| London (United Kingdom) | --:-- | 3 h ahead | 3 h ahead | 4 h ahead | 5 h |
| Paris (France) | --:-- | 4 h ahead | 4 h ahead | 5 h ahead | 4 h |
| Dubai (United Arab Emirates) | --:-- | 7 h ahead | 7 h ahead | 7 h ahead | 1 h |
| Mumbai (India) | --:-- | 8 h 30 min ahead | 8 h 30 min ahead | 8 h 30 min ahead | None |
| Singapore | --:-- | 11 h ahead | 11 h ahead | 11 h ahead | None |
| Tokyo (Japan) | --:-- | 12 h ahead | 12 h ahead | 12 h ahead | None |
| Sydney (Australia) | --:-- | 14 h ahead | 14 h ahead | 13 h ahead | None |
| UTC | --:-- | 3 h ahead | 3 h ahead | 3 h ahead | 5 h |
Porto Alegre never changes its clocks, but many of these cities do. Where the January and July columns disagree, the gap shifts when the other city moves to or from daylight saving time.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise and sunset in Porto Alegre
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Seasons run the other way in Porto Alegre: the December solstice brings 14 hours 5 minutes of daylight and the June solstice only 10 hours 13 minutes.
Daylight through the year in Porto Alegre
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:28 AM | 6:36 PM | 12 h 7 min |
| June solstice | June 21 | 7:20 AM | 5:33 PM | 10 h 13 min |
| September equinox | September 22 | 6:14 AM | 6:21 PM | 12 h 7 min |
| December solstice | December 21 | 5:21 AM | 7:26 PM | 14 h 5 min |
Clock time and sun time in Porto Alegre
Porto Alegre lies close to the centre of its time zone, so the sun is highest at about 12:25 PM on standard time, close to clock noon.
Places close to Porto Alegre
All the places listed below keep the same time as Porto Alegre.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Canoas | 14 km (8 mi) | --:-- | Same time |
| Alvorada | 15 km (9 mi) | --:-- | Same time |
| Viamão | 21 km (13 mi) | --:-- | Same time |
| Gravataí | 25 km (16 mi) | --:-- | Same time |
| Novo Hamburgo | 41 km (25 mi) | --:-- | Same time |
| Caxias do Sul | 96 km (60 mi) | --:-- | Same time |
| Bento Gonçalves | 100 km (62 mi) | --:-- | Same time |
| Santa Cruz do Sul | 120 km (75 mi) | --:-- | Same time |
Other cities on America/Sao_Paulo time
These cities use America/Sao_Paulo, the same time zone as Porto Alegre.
- São Paulo
- Rio de Janeiro
- Belo Horizonte
- Brasília
- Curitiba
- Goiânia
- Guarulhos
- Campinas
- Duque de Caxias
- Nova Iguaçu
- São Bernardo do Campo
- Sorocaba
Same time now, different rules
These places read the same time as Porto Alegre today but follow different rules, so they can drift apart when clocks change.
More cities in Brazil
- São Paulo
- Rio de Janeiro
- Belo Horizonte
- Salvador
- Fortaleza
- Manaus
- Brasília
- Curitiba
- Recife
- Goiânia
- Belém
- Guarulhos
All time zones and cities in Brazil
Tools for time in Porto Alegre
- Convert a time to or from Porto Alegre: pick a date and time and see it in every city on your list.
- Add Porto Alegre to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Porto Alegre and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Porto Alegre in?
Porto Alegre uses the America/Sao_Paulo time zone, which is UTC−3 all year.
Does Porto Alegre use daylight saving time?
Not any more. Porto Alegre last changed its clocks for daylight saving time in 2019 and now stays on UTC−3 all year.
What is the time difference between Porto Alegre and London?
Porto Alegre is 3 hours behind London in January and 4 hours behind London in July, because London moves its clocks for daylight saving time and Porto Alegre does not.
Is Porto Alegre on the same time as Brasília?
Yes. Porto Alegre and Brasília both use UTC−3 right now.
How long is the longest day in Porto Alegre?
About 14 hours 5 minutes, around the December solstice. The shortest day, around the June solstice, has about 10 hours 13 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.