Monterrey to New Castle, PA: time difference
New Castle, PA 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 15:58 3:58 PM New Castle, PA 16:58 4:58 PM You –:–
15:58 3:58 PM
Central Standard Time · UTC-6
☀️ 06:54 · 🌙 17:58
16:58 4:58 PM
Eastern Standard Time · UTC-5
☀️ 06:59 · 🌙 17:13
·
+1 h
New Castle, PA is 1 h ahead of Monterrey.
When you, Monterrey and New Castle, PA 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
🇺🇸 New Castle, PA
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 | 🇺🇸 New Castle, PA |
|---|---|---|
| Local time | 15:58 | 16:58 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Central Standard Time | Eastern Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Monterrey | — | +1 h |
| IANA zone | America/Monterrey | America/New York |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:54 | 06:59 |
| Sunset | 17:58 | 17:13 |
| Daylight | 11 h 4 min | 10 h 14 min |
| People on this clock | 1,142,994 | 21,926 |
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 New Castle, PA: common questions
What is the time difference between Monterrey and New Castle, PA?
New Castle is 1 hour ahead: it uses UTC−5, while Monterrey is on UTC−6.
What time is it in New Castle, PA, at the start of the working day in Monterrey?
The working day in Monterrey starts at 9:00 AM; in New Castle it is 10:00 AM at that moment.
If it is 6:00 PM in Monterrey, what time is it in New Castle, PA?
At 6:00 PM in Monterrey, clocks in New Castle show 7:00 PM.
When is a good time to call New Castle, PA, from Monterrey?
Between 9:00 AM and 5:00 PM in Monterrey – that is 10:00 AM to 6:00 PM in New Castle – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in New Castle, PA?
From 11:00 PM in Monterrey it is already the next day in New Castle. The other way round, until 1:00 AM in New Castle it is still the previous day in Monterrey.
Is the time difference between Monterrey and New Castle, PA, the same all year?
No. Only New Castle switches to summer time, so the gap changes twice a year. From March 14, 2027, New Castle will be 2 hours ahead of Monterrey.
