Monterrey to Saint Louis, MO: time difference
Saint Louis, MO is 1 h ahead of Monterrey. 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.
Monterrey 07:01 7:01 AM Saint Louis, MO 08:01 8:01 AM You –:–
07:01 7:01 AM
Central Standard Time · UTC-6
☀️ 06:38 · 🌙 18:20
08:01 8:01 AM
Central Daylight Time · UTC-5
☀️ 07:06 · 🌙 18:31
·
+1 h
Saint Louis, MO is 1 h ahead of Monterrey.
When you, Monterrey and Saint Louis, MO are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇲🇽 Monterrey
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
🇺🇸 Saint Louis, MO
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Monterrey | 🇺🇸 Saint Louis, MO |
|---|---|---|
| Local time | 07:01 | 08:01 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Monterrey | — | +1 h |
| IANA zone | America/Monterrey | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:38 | 07:06 |
| Sunset | 18:20 | 18:31 |
| Daylight | 11 h 42 min | 11 h 26 min |
| People on this clock | 1,142,994 | 301,578 |
Compare Monterrey with another city
More comparisons with Monterrey: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Monterrey and Saint Louis, MO: common questions
How many hours ahead of Monterrey is Saint Louis, MO?
The clocks in Saint Louis are 1 hour ahead of those in Monterrey (UTC−5 and UTC−6).
What time is it in Saint Louis, MO, at the start of the working day in Monterrey?
The working day in Monterrey starts at 9:00 AM; in Saint Louis it is 10:00 AM at that moment.
What time is it in Saint Louis, MO, when it is 6:00 PM in Monterrey?
When it is 6:00 PM in Monterrey, it is 7:00 PM in Saint Louis.
When is a good time to call Saint Louis, MO, from Monterrey?
Between 9:00 AM and 5:00 PM in Monterrey – that is 10:00 AM to 6:00 PM in Saint Louis – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Saint Louis, MO?
From 11:00 PM in Monterrey it is already the next day in Saint Louis. The other way round, until 1:00 AM in Saint Louis it is still the previous day in Monterrey.
Does the time gap between Monterrey and Saint Louis, MO, change during the year?
Yes – daylight saving time is used in Saint Louis but not in Monterrey. From November 1, 2026, Saint Louis and Monterrey will have the same time.
