Castries to Montreal: time difference

Montreal is 1 h behind Castries. Live clocks for both, the working hours they share, and how each one sits against your own time.

−1 h

One day, 2 clocks

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

Castries 17:56 5:56 PM Montreal 16:56 4:56 PM
Castries 17:56 5:56 PM Montreal 16:56 4:56 PM You –:–
🇱🇨 Castries

17:56 5:56 PM

Atlantic Standard Time · UTC-4

☀️ 06:01 · 🌙 17:36

🇨🇦 Montreal

16:56 4:56 PM

Eastern Standard Time · UTC-5

☀️ 06:40 · 🌙 16:37

⇄ Difference

−1 h

Montreal is 1 h behind Castries.

When you, Castries and Montreal are all at the desk

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

Working hours
🇱🇨 Castries
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
🇨🇦 Montreal
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 21 9 PM 22 10 PM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇱🇨 Castries 🇨🇦 Montreal
Local time 17:56 16:56
Local date Thursday, November 5, 2026 Thursday, November 5, 2026
Time zone Atlantic Standard Time Eastern Standard Time
UTC offset UTC-4 UTC-5
Offset from Castries — −1 h
IANA zone America/St Lucia America/Toronto
Daylight saving Not observed On standard time → UTC-4, Mar 14, 03:00
Sunrise 06:01 06:40
Sunset 17:36 16:37
Daylight 11 h 35 min 9 h 57 min
People on this clock 22,000 1,762,949

Compare Castries with another city

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

Castries and Montreal: common questions

What is the time difference between Castries and Montreal?
Montreal is 1 hour behind: it uses UTC−5, while Castries is on UTC−4.
What time is it in Montreal at the start of the working day in Castries?
The working day in Castries starts at 9:00 AM; in Montreal it is 8:00 AM at that moment.
What time is it in Montreal at the end of the working day in Castries?
The working day in Castries ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
When is a good time to call Montreal from Castries?
Between 10:00 AM and 6:00 PM in Castries – that is 9:00 AM to 5:00 PM in Montreal – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Montreal?
Until 1:00 AM in Castries it is still the previous day in Montreal. The other way round, from 11:00 PM in Montreal it is already the next day in Castries.
Does the time difference between Castries and Montreal change?
Yes. The clocks change only in Montreal. From March 14, 2027, Montreal and Castries will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?