Does London observe daylight saving time?

Yes. London is on BST (UTC+1) now, and its clocks go back 1 hour on Sun, Oct 25, to GMT (UTC+0).

Does Monterrey observe daylight saving time?

No. Monterrey stays on CST (UTC-6) all year, so its clocks don't change.

What time is it in Monterrey when it's 9 AM in London?

2:00 AM in Monterrey, on the same day.

London to Monterrey Meeting Planner

Monterrey is 7 hours behind London right now. Their working days overlap for 1 hour today.

London · United Kingdom

1:08 PM

Sat, Oct 17 · BST · summer time

Monterrey · Mexico

6:08 AM

Sat, Oct 17 · CST

Best Meeting Times Between London and Monterrey

4:00 PM to 5:00 PM in London (9:00 AM to 10:00 AM in Monterrey). That's when both cities are inside working hours, 9 AM to 5 PM, giving 1 hour of overlap today.

Who's meeting

2 of 4 places

LondonOrganizerUnited Kingdom ·· summer time1:08PMnow
MonterreyMexico ·6:08AMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in London

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in London time.

4:00PMBest · OptimalWorking hours in London (16:00) and Monterrey (09:00).
2:00PMOption 2 · GoodWorking hours in London (14:00); just outside working hours in Monterrey (07:00).
3:00PMOption 3 · GoodWorking hours in London (15:00); just outside working hours in Monterrey (08:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
LondonBST
MonterreyCST
UTC	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

London4:00 PM BSTSat, Oct 17
Monterrey9:00 AM CSTSat, Oct 17
UTC2026-10-17 15:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between London and Monterrey

Monterrey is 7 hours behind London right now: Monterrey is on CST (UTC-6) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then Monterrey is 6 hours behind London.

Time difference between London and Monterrey over the next 12 months
From	Difference	Why
Now	Monterrey 7 hours behind	—
Sun, Oct 25	Monterrey 6 hours behind	Clocks go back in London
Sun, Mar 28, 2027	Monterrey 7 hours behind	Clocks go forward in London

London is on Greenwich Mean Time. Monterrey is on Central Standard Time.

Frequently Asked Questions: London & Monterrey Scheduling

What is the time difference between London and Monterrey?: Monterrey is 7 hours behind London right now: Monterrey is on CST (UTC-6) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then Monterrey is 6 hours behind London.
What is the best time to schedule a meeting between London and Monterrey?: 4:00 PM to 5:00 PM in London (9:00 AM to 10:00 AM in Monterrey). That's when both cities are inside working hours, 9 AM to 5 PM, giving 1 hour of overlap today.
Does London observe daylight saving time?: Yes. London is on BST (UTC+1) now, and its clocks go back 1 hour on Sun, Oct 25, to GMT (UTC+0).
Does Monterrey observe daylight saving time?: No. Monterrey stays on CST (UTC-6) all year, so its clocks don't change.
What time is it in Monterrey when it's 9 AM in London?: 2:00 AM in Monterrey, on the same day.

Or see every city pair, or plan with more places in the meeting planner.