São Paulo to Castlereagh time converter

Castlereagh is 4 hours ahead of São Paulo. When it is 9:00 AM in São Paulo, it is 1:00 PM in Castlereagh.

São Paulo BRT

Wednesday, October 21, 2026

Castlereagh BST

Wednesday, October 21, 2026

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

São Paulo to Castlereagh conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 21, 2027: +4h

Distance

São Paulo and Castlereagh are 9,516 km (5,913 miles) apart in a straight line.

More conversions

Castlereagh to São PauloSão Paulo to New YorkSão Paulo to LondonSão Paulo to Los AngelesSão Paulo to ChicagoSão Paulo to TorontoSão Paulo to ParisSão Paulo to BerlinSão Paulo to MoscowSão Paulo to DubaiSão Paulo to New DelhiSão Paulo to BangkokSão Paulo to Singapore
New York to CastlereaghLondon to CastlereaghLos Angeles to CastlereaghChicago to CastlereaghToronto to CastlereaghParis to CastlereaghBerlin to CastlereaghMoscow to CastlereaghDubai to CastlereaghNew Delhi to CastlereaghBangkok to CastlereaghSingapore to Castlereagh

Questions and answers

What is the time difference between São Paulo and Castlereagh?

Castlereagh is 4 hours ahead of São Paulo.

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

When it is 9:00 AM in São Paulo, it is 1:00 PM in Castlereagh.

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

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

Does the time difference between São Paulo and Castlereagh change?

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