New Castle, PA to Monterrey: time difference
Monterrey is 1 h behind New Castle, PA. 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.
New Castle, PA 16:43 4:43 PM Monterrey 15:43 3:43 PM You –:–
16:43 4:43 PM
Eastern Standard Time · UTC-5
☀️ 06:59 · 🌙 17:13
15:43 3:43 PM
Central Standard Time · UTC-6
☀️ 06:54 · 🌙 17:58
·
−1 h
Monterrey is 1 h behind New Castle, PA.
When you, New Castle, PA 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
🇺🇸 New Castle, PA
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 New Castle, PA | 🇲🇽 Monterrey |
|---|---|---|
| Local time | 16:43 | 15:43 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern Standard Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from New Castle, PA | — | −1 h |
| IANA zone | America/New York | America/Monterrey |
| Daylight saving | On standard time → UTC-4, Mar 14, 03:00 | Not observed |
| Sunrise | 06:59 | 06:54 |
| Sunset | 17:13 | 17:58 |
| Daylight | 10 h 14 min | 11 h 4 min |
| People on this clock | 21,926 | 1,142,994 |
Compare New Castle, PA with another city
More comparisons with New Castle, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
New Castle, PA and Monterrey: common questions
What is the time difference between New Castle, PA, and Monterrey?
Monterrey is 1 hour behind: it uses UTC−6, while New Castle is on UTC−5.
What time is it in Monterrey at the start of the working day in New Castle, PA?
The working day in New Castle starts at 9:00 AM; in Monterrey it is 8:00 AM at that moment.
What time is it in Monterrey when it is 6:00 PM in New Castle, PA?
When it is 6:00 PM in New Castle, it is 5:00 PM in Monterrey.
When is a good time to call Monterrey from New Castle, PA?
Between 10:00 AM and 6:00 PM in New Castle – that is 9:00 AM to 5:00 PM in Monterrey – both places are within working hours (9:00 AM–6:00 PM).
Until what time in New Castle, PA, is it still yesterday in Monterrey?
Before 1:00 AM in New Castle, the date in Monterrey has not changed yet. From 11:00 PM in Monterrey, it is already the next day in New Castle.
Is the time difference between New Castle, PA, and Monterrey the same all year?
No. Only New Castle switches to summer time, so the gap changes twice a year. From March 14, 2027, Monterrey will be 2 hours behind New Castle.