San Mateo to London time converter

London is 7 hours behind San Mateo. When it is 9:00 AM in San Mateo, it is 2:00 AM in London.

San Mateo PHT

Tuesday, October 20, 2026

London BST

Tuesday, October 20, 2026

Philippines
Tue, Oct 20
PHTUTC+8
United Kingdom
Tue, Oct 20
BSTUTC+1-7h
Finding your time zone…

11:57 PM in San Mateo, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

San Mateo to London conversion table

Every hour of today in San Mateo and the matching time in London. Light rows are typical working hours (9:00–18:00).

San MateoLondon
12:00 AM5:00 PM−1 day
1:00 AM6:00 PM−1 day
2:00 AM7:00 PM−1 day
3:00 AM8:00 PM−1 day
4:00 AM9:00 PM−1 day
5:00 AM10:00 PM−1 day
6:00 AM11:00 PM−1 day
7:00 AM12:00 AM
8:00 AM1:00 AM
9:00 AM2:00 AM
10:00 AM3:00 AM
11:00 AM4:00 AM
12:00 PM5:00 AM
1:00 PM6:00 AM
2:00 PM7:00 AM
3:00 PM8:00 AM
4:00 PM9:00 AM
5:00 PM10:00 AM
6:00 PM11:00 AM
7:00 PM12:00 PM
8:00 PM1:00 PM
9:00 PM2:00 PM
10:00 PM3:00 PM
11:00 PM4:00 PM

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in San Mateo (9:00 AM – 11:00 AM in London).

Daylight saving time and the difference

The difference changes during the year because San Mateo and London switch clocks on different dates:

  • Oct 20, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 20, 2027: -7h

Distance

San Mateo and London are 10,734 km (6,670 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between San Mateo and London?

London is 7 hours behind San Mateo.

What time is it in London when it is 9 AM in San Mateo?

When it is 9:00 AM in San Mateo, it is 2:00 AM in London.

When is the best time to call London from San Mateo?

Both sides are at work from 4:00 PM – 6:00 PM in San Mateo (9:00 AM – 11:00 AM in London).

Does the time difference between San Mateo and London change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.