Monterrey to Katy, TX: time difference
Katy, TX 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 17:26 5:26 PM Katy, TX 18:26 6:26 PM You –:–
17:26 5:26 PM
Central Standard Time · UTC-6
☀️ 06:43 · 🌙 18:10
18:26 6:26 PM
Central Daylight Time · UTC-5
☀️ 07:29 · 🌙 18:49
·
+1 h
Katy, TX is 1 h ahead of Monterrey.
When you, Monterrey and Katy, TX 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
🇺🇸 Katy, TX
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
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Time zones side by side
| Detail | 🇲🇽 Monterrey | 🇺🇸 Katy, TX |
|---|---|---|
| Local time | 17:26 | 18:26 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 06:43 | 07:29 |
| Sunset | 18:10 | 18:49 |
| Daylight | 11 h 27 min | 11 h 20 min |
| People on this clock | 1,142,994 | 14,102 |
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 Katy, TX: common questions
How far ahead of Monterrey is Katy, TX?
Katy is 1 hour ahead of Monterrey: UTC−5 against UTC−6.
What time is it in Katy, TX, at the start of the working day in Monterrey?
The working day in Monterrey starts at 9:00 AM; in Katy it is 10:00 AM at that moment.
What time is it in Katy, TX, at the end of the working day in Monterrey?
The working day in Monterrey ends at 6:00 PM; in Katy it is 7:00 PM at that moment.
Is there a time when both Monterrey and Katy, TX, are at work?
Yes: from 9:00 AM to 5:00 PM in Monterrey (10:00 AM to 6:00 PM in Katy), the working days (9:00 AM–6:00 PM) overlap.
From what time in Monterrey is it tomorrow in Katy, TX?
Once it is 11:00 PM in Monterrey, the date in Katy has already changed. Until 1:00 AM in Katy, it is still the previous day in Monterrey.
Is the time difference between Monterrey and Katy, TX, the same all year?
No. Only Katy switches to summer time, so the gap changes twice a year. From November 1, 2026, Katy and Monterrey will have the same time.
