Castle Rock, CO to Montreal: time difference
Montreal is 2 h ahead of Castle Rock, CO. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Castle Rock, CO 13:00 1:00 PM Montreal 15:00 3:00 PM You –:–
13:00 1:00 PM
Mountain Daylight Time · UTC-6
☀️ 07:05 · 🌙 18:29
15:00 3:00 PM
Eastern Daylight Time · UTC-4
☀️ 07:04 · 🌙 18:19
·
+2 h
Montreal is 2 h ahead of Castle Rock, CO.
When you, Castle Rock, CO 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
🇺🇸 Castle Rock, CO
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
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Castle Rock, CO | 🇨🇦 Montreal |
|---|---|---|
| Local time | 13:00 | 15:00 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-6 | UTC-4 |
| Offset from Castle Rock, CO | — | +2 h |
| IANA zone | America/Denver | America/Toronto |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:05 | 07:04 |
| Sunset | 18:29 | 18:19 |
| Daylight | 11 h 25 min | 11 h 15 min |
| People on this clock | 73,158 | 1,762,949 |
Compare Castle Rock, CO with another city
More comparisons with Castle Rock, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castle Rock, CO and Montreal: common questions
How many hours ahead of Castle Rock, CO, is Montreal?
The clocks in Montreal are 2 hours ahead of those in Castle Rock (UTC−4 and UTC−6).
What time is it in Montreal when it is 9:00 AM in Castle Rock, CO?
When it is 9:00 AM in Castle Rock, it is 11:00 AM in Montreal.
What time is it in Montreal at the end of the working day in Castle Rock, CO?
The working day in Castle Rock ends at 6:00 PM; in Montreal it is 8:00 PM at that moment.
Is there a time when both Castle Rock, CO, and Montreal are at work?
Yes: from 9:00 AM to 4:00 PM in Castle Rock (11:00 AM to 6:00 PM in Montreal), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Montreal?
From 10:00 PM in Castle Rock, CO, it is already the next day in Montreal. The other way round, until 2:00 AM in Montreal it is still the previous day in Castle Rock.
Does the time gap between Castle Rock, CO, and Montreal change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 2 hours.
