Saint Charles, MO to Monterrey: time difference
Monterrey is 1 h behind Saint Charles, MO. 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.
Saint Charles, MO 15:21 3:21 PM Monterrey 14:21 2:21 PM You –:–
15:21 3:21 PM
Central Daylight Time · UTC-5
☀️ 07:17 · 🌙 18:18
14:21 2:21 PM
Central Standard Time · UTC-6
☀️ 06:43 · 🌙 18:10
·
−1 h
Monterrey is 1 h behind Saint Charles, MO.
When you, Saint Charles, MO and Monterrey are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Saint Charles, MO
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
🇲🇽 Monterrey
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
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Saint Charles, MO | 🇲🇽 Monterrey |
|---|---|---|
| Local time | 15:21 | 14:21 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Saint Charles, MO | — | −1 h |
| IANA zone | America/Chicago | America/Monterrey |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:17 | 06:43 |
| Sunset | 18:18 | 18:10 |
| Daylight | 11 h 1 min | 11 h 27 min |
| People on this clock | 70,329 | 1,142,994 |
Compare Saint Charles, MO with another city
More comparisons with Saint Charles, MO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Saint Charles, MO and Monterrey: common questions
How many hours behind Saint Charles, MO, is Monterrey?
The clocks in Monterrey are 1 hour behind those in Saint Charles (UTC−6 and UTC−5).
What time is it in Monterrey when it is 9:00 AM in Saint Charles, MO?
When it is 9:00 AM in Saint Charles, it is 8:00 AM in Monterrey.
If it is 6:00 PM in Saint Charles, MO, what time is it in Monterrey?
At 6:00 PM in Saint Charles, clocks in Monterrey show 5:00 PM.
When is a good time to call Monterrey from Saint Charles, MO?
Between 10:00 AM and 6:00 PM in Saint Charles – that is 9:00 AM to 5:00 PM in Monterrey – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Monterrey compared with Saint Charles, MO?
The new day starts in Monterrey later: until 1:00 AM in Saint Charles, it is still the previous day there. From 11:00 PM in Monterrey, Saint Charles is already on the next day.
Is the time difference between Saint Charles, MO, and Monterrey the same all year?
No. Only Saint Charles switches to summer time, so the gap changes twice a year. From November 1, 2026, Monterrey and Saint Charles will have the same time.
