Alton to São Paulo time converter

São Paulo is 4 hours behind Alton. When it is 9:00 AM in Alton, it is 5:00 AM in São Paulo.

Alton BST

Wednesday, October 21, 2026

São Paulo BRT

Wednesday, October 21, 2026

Alton
United Kingdom
Wed, Oct 21
BSTUTC+1
São Paulo
Brazil
Wed, Oct 21
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Alton to São Paulo conversion table

Every hour of today in Alton and the matching time in São Paulo. Light rows are typical working hours (9:00–18:00).

AltonSão Paulo
12:00 AM8:00 PM−1 day
1:00 AM9:00 PM−1 day
2:00 AM10:00 PM−1 day
3:00 AM11:00 PM−1 day
4:00 AM12:00 AM
5:00 AM1:00 AM
6:00 AM2:00 AM
7:00 AM3:00 AM
8:00 AM4:00 AM
9:00 AM5:00 AM
10:00 AM6:00 AM
11:00 AM7:00 AM
12:00 PM8:00 AM
1:00 PM9:00 AM
2:00 PM10:00 AM
3:00 PM11:00 AM
4:00 PM12:00 PM
5:00 PM1:00 PM
6:00 PM2:00 PM
7:00 PM3:00 PM
8:00 PM4:00 PM
9:00 PM5:00 PM
10:00 PM6:00 PM
11:00 PM7:00 PM

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Alton (9:00 AM – 2:00 PM in São Paulo).

Daylight saving time and the difference

The difference changes during the year because Alton and São Paulo switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 21, 2027: -4h

Distance

Alton and São Paulo are 9,428 km (5,858 miles) apart in a straight line.

More conversions

São Paulo to AltonAlton to New YorkAlton to LondonAlton to Los AngelesAlton to ChicagoAlton to TorontoAlton to ParisAlton to BerlinAlton to MoscowAlton to DubaiAlton to New DelhiAlton to BangkokAlton to Singapore
New York to São PauloLondon to São PauloLos Angeles to São PauloChicago to São PauloToronto to São PauloParis to São PauloBerlin to São PauloMoscow to São PauloDubai to São PauloNew Delhi to São PauloBangkok to São PauloSingapore to São Paulo

Questions and answers

What is the time difference between Alton and São Paulo?

São Paulo is 4 hours behind Alton.

What time is it in São Paulo when it is 9 AM in Alton?

When it is 9:00 AM in Alton, it is 5:00 AM in São Paulo.

When is the best time to call São Paulo from Alton?

Both sides are at work from 1:00 PM – 6:00 PM in Alton (9:00 AM – 2:00 PM in São Paulo).

Does the time difference between Alton and São Paulo change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.