Dublin to Castanhal: time difference

Castanhal is 3 h behind Dublin. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇮🇪 Dublin, Ireland

09

9:21 PM · Thursday, November 5, 2026

  • Greenwich Mean Time
  • UTC+0
  • Night

☀️ 07:32 · 🌙 16:47 · 9 h 16 min

🇧🇷 Castanhal, Brazil

09

6:21 PM · Thursday, November 5, 2026

  • Brasilia Standard Time
  • UTC-3
  • Twilight

☀️ 05:51 · 🌙 18:01 · 12 h 10 min

−3 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Dublin 21:21 9:21 PM Castanhal 18:21 6:21 PM
Dublin 21:21 9:21 PM Castanhal 18:21 6:21 PM You –:–
🇮🇪 Dublin

21:21 9:21 PM

Greenwich Mean Time · UTC+0

☀️ 07:32 · 🌙 16:47

🇧🇷 Castanhal

18:21 6:21 PM

Brasilia Standard Time · UTC-3

☀️ 05:51 · 🌙 18:01

⇄ Difference

−3 h

Castanhal is 3 h behind Dublin.

When you, Dublin and Castanhal are all at the desk

Pick the working hours below – the window every location shares appears once your time zone is known.

Working hours
🇮🇪 Dublin
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇧🇷 Castanhal
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇮🇪 Dublin 🇧🇷 Castanhal
Local time 21:21 18:21
Local date Thursday, November 5, 2026 Thursday, November 5, 2026
Time zone Greenwich Mean Time Brasilia Standard Time
UTC offset UTC+0 UTC-3
Offset from Dublin — −3 h
IANA zone Europe/Dublin America/Belem
Daylight saving On standard time → UTC+1, Mar 28, 02:00 Not observed
Sunrise 07:32 05:51
Sunset 16:47 18:01
Daylight 9 h 16 min 12 h 10 min
People on this clock 588,233 192,256

Compare Dublin with another city

More comparisons with Dublin: the time zones next to it and the far side of the clock.

Dublin and Castanhal: common questions

How far behind Dublin is Castanhal?
Castanhal is 3 hours behind Dublin: UTC−3 against UTC+0.
What time is it in Castanhal at the start of the working day in Dublin?
The working day in Dublin starts at 9:00 AM; in Castanhal it is 6:00 AM at that moment.
If it is 6:00 PM in Dublin, what time is it in Castanhal?
At 6:00 PM in Dublin, clocks in Castanhal show 3:00 PM.
When is a good time to call Castanhal from Dublin?
Between 12:00 PM and 6:00 PM in Dublin – that is 9:00 AM to 3:00 PM in Castanhal – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Castanhal?
Until 3:00 AM in Dublin it is still the previous day in Castanhal. The other way round, from 9:00 PM in Castanhal it is already the next day in Dublin.
Does the time difference between Dublin and Castanhal change?
Yes. The clocks change only in Dublin. From March 28, 2027, Castanhal will be 4 hours behind Dublin.
Show times on the 12-hour clock, temperatures in °F and distances in miles?