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.

−1 h

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
New Castle, PA 16:43 4:43 PM Monterrey 15:43 3:43 PM You –:–
🇺🇸 New Castle, PA

16:43 4:43 PM

Eastern Standard Time · UTC-5

☀️ 06:59 · 🌙 17:13

🇲🇽 Monterrey

15:43 3:43 PM

Central Standard Time · UTC-6

☀️ 06:54 · 🌙 17:58

⇄ Difference

−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
  • 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.

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.
Show times on the 12-hour clock, temperatures in °F and distances in miles?