Monterrey to Harlingen, TX: time difference
Harlingen, 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 01:24 1:24 AM Harlingen, TX 02:24 2:24 AM You –:–
01:24 1:24 AM
Central Standard Time · UTC-6
☀️ 06:43 · 🌙 18:11
02:24 2:24 AM
Central Daylight Time · UTC-5
☀️ 07:33 · 🌙 19:00
·
+1 h
Harlingen, TX is 1 h ahead of Monterrey.
When you, Monterrey and Harlingen, 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
🇺🇸 Harlingen, 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
- Right now
Time zones side by side
| Detail | 🇲🇽 Monterrey | 🇺🇸 Harlingen, TX |
|---|---|---|
| Local time | 01:24 | 02:24 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 07:33 |
| Sunset | 18:11 | 19:00 |
| Daylight | 11 h 29 min | 11 h 28 min |
| People on this clock | 1,142,994 | 71,829 |
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 Harlingen, TX: common questions
How far ahead of Monterrey is Harlingen, TX?
Harlingen is 1 hour ahead of Monterrey: UTC−5 against UTC−6.
What time is it in Harlingen, TX, when it is 9:00 AM in Monterrey?
When it is 9:00 AM in Monterrey, it is 10:00 AM in Harlingen.
If it is 6:00 PM in Monterrey, what time is it in Harlingen, TX?
At 6:00 PM in Monterrey, clocks in Harlingen show 7:00 PM.
When is a good time to call Harlingen, TX, from Monterrey?
Between 9:00 AM and 5:00 PM in Monterrey – that is 10:00 AM to 6:00 PM in Harlingen – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Harlingen, TX?
From 11:00 PM in Monterrey it is already the next day in Harlingen. The other way round, until 1:00 AM in Harlingen it is still the previous day in Monterrey.
Does the time difference between Monterrey and Harlingen, TX, change?
Yes. The clocks change only in Harlingen. From November 1, 2026, Harlingen and Monterrey will have the same time.
