San Mateo, CA to Barcelona: time difference
Barcelona is 9 h ahead of San Mateo, CA. Live clocks for both, the working hours they share, and how each one sits against your own time.
+9 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
San Mateo, CA 05:23 5:23 AM Barcelona 14:23 2:23 PM You –:–
05:23 5:23 AM
Pacific Daylight Time · UTC-7
☀️ 07:21 · 🌙 18:29
14:23 2:23 PM
Central European Summer Time · UTC+2
☀️ 08:07 · 🌙 19:08
·
+9 h
Barcelona is 9 h ahead of San Mateo, CA.
When you, San Mateo, CA and Barcelona are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 San Mateo, CA
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
🇪🇸 Barcelona
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 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM
📍 Your time
- Asleep
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Time zones side by side
| Detail | 🇺🇸 San Mateo, CA | 🇪🇸 Barcelona |
|---|---|---|
| Local time | 05:23 | 14:23 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Pacific Daylight Time | Central European Summer Time |
| UTC offset | UTC-7 | UTC+2 |
| Offset from San Mateo, CA | — | +9 h |
| IANA zone | America/Los Angeles | Europe/Madrid |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:21 | 08:07 |
| Sunset | 18:29 | 19:08 |
| Daylight | 11 h 8 min | 11 h 1 min |
| People on this clock | 103,536 | 1,660,122 |
Compare San Mateo, CA with another city
More comparisons with San Mateo, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Mateo, CA and Barcelona: common questions
How far ahead of San Mateo, CA, is Barcelona?
Barcelona is 9 hours ahead of San Mateo: UTC+2 against UTC−7.
What time is it in Barcelona when it is 9:00 AM in San Mateo, CA?
When it is 9:00 AM in San Mateo, it is 6:00 PM in Barcelona.
If it is 6:00 PM in San Mateo, CA, what time is it in Barcelona?
At 6:00 PM in San Mateo, clocks in Barcelona show 3:00 AM (the next day).
Is there a time when both San Mateo, CA, and Barcelona are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in San Mateo at 9:00 AM, it is 6:00 PM in Barcelona; the day in Barcelona starts at 12:00 AM in San Mateo time.
From what time in San Mateo, CA, is it tomorrow in Barcelona?
Once it is 3:00 PM in San Mateo, the date in Barcelona has already changed. Until 9:00 AM in Barcelona, it is still the previous day in San Mateo.
Does the time difference between San Mateo, CA, and Barcelona change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Barcelona will be 8 hours ahead of San Mateo.
