What is the time difference between Dublin and São Paulo?

São Paulo is 4 hours behind Dublin. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

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

Between 13:00–18:00 in Dublin, which is 09:00–14:00 in São Paulo. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Dublin observe daylight saving time?

Yes. Dublin runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

Does São Paulo observe daylight saving time?

No. São Paulo stays on UTC-3 all year, so its clocks never move.

If it is midday in Dublin, what time is it in São Paulo?

It is 08:00 in São Paulo, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Dublin and São Paulo use?

Dublin uses Europe/Dublin, currently UTC+1 (IST), and São Paulo uses America/Sao_Paulo, currently UTC-3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Dublin time to São Paulo time

Right now São Paulo runs 4 hours behind Dublin. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

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Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Dublin, across for São Paulo.

Dublin	São Paulo
00:00	20:00previous day
01:00	21:00previous day
02:00	22:00previous day
03:00	23:00previous day
04:00	00:00
05:00	01:00
06:00	02:00
07:00	03:00
08:00	04:00
09:00	05:00
10:00	06:00
11:00	07:00
12:00	08:00
13:00	09:00
14:00	10:00
15:00	11:00
16:00	12:00
17:00	13:00
18:00	14:00
19:00	15:00
20:00	16:00
21:00	17:00
22:00	18:00
23:00	19:00

Daylight saving time

São Paulo keeps one offset all year while Dublin moves twice. That is the whole reason this difference is seasonal.

Dublin

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

São Paulo

Does not observe daylight saving time

Standard: UTC-3

When you can actually talk

You have 5 hours of shared working time: 13:00–18:00 in Dublin, which is 09:00–14:00 in São Paulo.

Dublin 13:00–18:00São Paulo 09:00–14:00

Reference

The zone identifiers and offsets behind everything above.

	Dublin	São Paulo
IANA zone	Europe/Dublin	America/Sao_Paulo
Abbreviation	IST	UTC-3
Standard offset	UTC+0	UTC-3
Daylight offset	UTC+1	—
Clock changes this year	2	0
Country	Ireland	Brazil

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Dublin and São Paulo?: São Paulo is 4 hours behind Dublin. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call São Paulo from Dublin?: Between 13:00–18:00 in Dublin, which is 09:00–14:00 in São Paulo. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Dublin observe daylight saving time?: Yes. Dublin runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
Does São Paulo observe daylight saving time?: No. São Paulo stays on UTC-3 all year, so its clocks never move.
If it is midday in Dublin, what time is it in São Paulo?: It is 08:00 in São Paulo, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Dublin and São Paulo use?: Dublin uses Europe/Dublin, currently UTC+1 (IST), and São Paulo uses America/Sao_Paulo, currently UTC-3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.