Monterrey to Seattle Time Difference
Seattle is 1 hour behind Monterrey. When it's 10:27:12 AM in Monterrey, it's 09:27:12 AM in Seattle.
How Many Hours Behind Is Seattle From Monterrey?
Seattle is 1 hour behind Monterrey. So Monterrey is 1 hour ahead of Seattle looking the other way — the same gap, described from the other end.
In practice that means a working day in Monterrey starts when it is already 8:00 AM in Seattle. The gap is not fixed all year: it becomes 2 hours on Sunday, November 1, 2026, when Seattle changes its clocks.
Best Time to Call Monterrey and Seattle
Both cities are inside normal business hours between 10:00 AM and 5:00 PM in Monterrey — that's 9:00 AM to 4:00 PM in Seattle. That's a 7-hour window, so a call fits comfortably in either side's working day.
both at work Monterrey only Seattle only neither — hours shown along the strip are Monterrey local time.
Convert a Specific Time
Pick any date and time in Monterrey to see the exact equivalent in Seattle.
Common Times Converted
Monterrey time on the left, Seattle time on the right.
Monterrey to Seattle: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Monterrey. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Monterrey | Seattle | Working hours |
|---|---|---|
| 12:00 AM | 11:00 PM prev day | — |
| 1:00 AM | 12:00 AM | — |
| 2:00 AM | 1:00 AM | — |
| 3:00 AM | 2:00 AM | — |
| 4:00 AM | 3:00 AM | — |
| 5:00 AM | 4:00 AM | — |
| 6:00 AM | 5:00 AM | — |
| 7:00 AM | 6:00 AM | — |
| 8:00 AM | 7:00 AM | — |
| 9:00 AM | 8:00 AM | Monterrey only |
| 10:00 AM | 9:00 AM | Both cities |
| 11:00 AM | 10:00 AM | Both cities |
| 12:00 PM | 11:00 AM | Both cities |
| 1:00 PM | 12:00 PM | Both cities |
| 2:00 PM | 1:00 PM | Both cities |
| 3:00 PM | 2:00 PM | Both cities |
| 4:00 PM | 3:00 PM | Both cities |
| 5:00 PM | 4:00 PM | Seattle only |
| 6:00 PM | 5:00 PM | — |
| 7:00 PM | 6:00 PM | — |
| 8:00 PM | 7:00 PM | — |
| 9:00 PM | 8:00 PM | — |
| 10:00 PM | 9:00 PM | — |
| 11:00 PM | 10:00 PM | — |
Understanding the Monterrey – Seattle Time Difference
Monterrey runs on America/Monterrey, currently CST (UTC-6:00). Seattle runs on America/Los_Angeles, currently PDT (UTC-7:00). The gap of 1 hour is simply the distance between those two offsets.
Seattle observes Daylight Saving Time and Monterrey does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, November 1, 2026, when Seattle adjusts its clocks and the difference becomes 2 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in Mexico · Daylight Saving Time in the United States.
Monterrey today
Seattle today
Frequently Asked Questions
What is the time difference between Monterrey and Seattle?
Seattle is currently 1 hour behind Monterrey. That gap becomes 2 hours on Sunday, November 1, 2026, when Seattle changes its clocks.
How many hours behind is Seattle from Monterrey?
Seattle is 1 hour behind Monterrey. Looking at it the other way, Monterrey is 1 hour ahead of Seattle.
What time is it in Seattle when it is 9:00 AM in Monterrey?
When it is 9:00 AM in Monterrey, it is 8:00 AM in Seattle.
Is Seattle ahead of or behind Monterrey?
Seattle is 1 hour behind Monterrey. Monterrey reaches each point in the day first, so Seattle is still getting started while the Monterrey working day is finishing.
What is the best time to call between Monterrey and Seattle?
Between 10:00 AM and 5:00 PM Monterrey time, which is 9:00 AM to 4:00 PM in Seattle. Both cities are inside normal business hours during that window.
Does the time difference between Monterrey and Seattle change during the year?
Yes. Seattle observes Daylight Saving Time and Monterrey does not, so the gap between them shifts during the year. It changes to 2 hours on Sunday, November 1, 2026.
What time zones are Monterrey and Seattle in?
Monterrey uses the America/Monterrey time zone, currently CST (UTC-6:00). Seattle uses America/Los_Angeles, currently PDT (UTC-7:00).