Guarulhos runs on UTC−3 every day of the year, with no daylight saving time.
Guarulhos and your time
Guarulhos at a glance
| Country | Brazil |
|---|---|
| Region | São Paulo |
| Time zone | America/Sao_Paulo |
| UTC offset now | UTC−3 |
| Daylight saving time | Not observed since 2019 |
| Coordinates | 23.46° S, 46.53° W |
Time zone in Guarulhos
Local time in Guarulhos is UTC−3 year round, under the America/Sao_Paulo rules. Daylight saving time was used in the past, most recently in 2019, and no future change is scheduled.
Although Brazil has 4 different offsets, Guarulhos keeps the same time as Brasília.
Clock changes in Guarulhos, 2026 and 2027
No clock changes are scheduled in Guarulhos for 2026 or 2027.
Guarulhos time compared with major cities
When it is 9:00 AM in Guarulhos, it 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 |
Guarulhos 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 counts the time when the clock reads between 9 AM and 5 PM in both cities on the same day.
Daylight in Guarulhos
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Guarulhos is in the southern hemisphere, so the longest day comes in December (13 hours 35 minutes) and the shortest in June (10 hours 41 minutes). The latest sunset, at 6:58 PM, falls on January 13.
Daylight through the year in Guarulhos
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:10 AM | 6:17 PM | 12 h 7 min |
| June solstice | June 21 | 6:47 AM | 5:29 PM | 10 h 41 min |
| September equinox | September 22 | 5:56 AM | 6:02 PM | 12 h 7 min |
| December solstice | December 21 | 5:17 AM | 6:52 PM | 13 h 35 min |
When the sun is highest in Guarulhos
Guarulhos lies close to the centre of its time zone, so the sun is highest at about 12:05 PM on standard time, close to clock noon.
Places close to Guarulhos
Every city below shares Guarulhos’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| São Paulo | 14 km (9 mi) | --:-- | Same time |
| Mairiporã | 17 km (11 mi) | --:-- | Same time |
| Itaquaquecetuba | 19 km (12 mi) | --:-- | Same time |
| São Bernardo do Campo | 26 km (16 mi) | --:-- | Same time |
| Francisco Morato | 30 km (18 mi) | --:-- | Same time |
| Mogi das Cruzes | 36 km (22 mi) | --:-- | Same time |
| Atibaia | 38 km (24 mi) | --:-- | Same time |
| Jundiaí | 47 km (29 mi) | --:-- | Same time |
Other cities on America/Sao_Paulo time
These cities use America/Sao_Paulo, the same time zone as Guarulhos.
- São Paulo
- Rio de Janeiro
- Belo Horizonte
- Brasília
- Curitiba
- Goiânia
- Porto Alegre
- Campinas
- Duque de Caxias
- Nova Iguaçu
- São Bernardo do Campo
- Sorocaba
Same time now, different rules
These places read the same time as Guarulhos 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
- Porto Alegre
All time zones and cities in Brazil
Tools for time in Guarulhos
- Convert a time to or from Guarulhos: pick a date and time and see it in every city on your list.
- Add Guarulhos to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Guarulhos and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Guarulhos in?
Guarulhos uses the America/Sao_Paulo time zone, which is UTC−3 all year.
Does Guarulhos use daylight saving time?
Not any more. Guarulhos last changed its clocks for daylight saving time in 2019 and now stays on UTC−3 all year.
What is the time difference between Guarulhos and London?
Guarulhos is 3 hours behind London in January and 4 hours behind London in July, because London moves its clocks for daylight saving time and Guarulhos does not.
Is Guarulhos on the same time as Brasília?
Yes. Guarulhos and Brasília both use UTC−3 right now.
How long is the longest day in Guarulhos?
About 13 hours 35 minutes, around the December solstice. The shortest day, around the June solstice, has about 10 hours 41 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.