Time in Shanghai vs San Mateo
Shanghai keeps CST (UTC+8) and San Mateo keeps PST (UTC+8) today. San Mateo is the same time as Shanghai; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–18:00 in San Mateo (09:00–18:00 your time).
| City | 00:00 in Shanghai | 01:00 in Shanghai | 02:00 in Shanghai | 03:00 in Shanghai | 04:00 in Shanghai | 05:00 in Shanghai | 06:00 in Shanghai | 07:00 in Shanghai | 08:00 in Shanghai | 09:00 in Shanghai | 10:00 in Shanghai | 11:00 in Shanghai | 12:00 in Shanghai | 13:00 in Shanghai | 14:00 in Shanghai | 15:00 in Shanghai | 16:00 in Shanghai | 17:00 in Shanghai | 18:00 in Shanghai | 19:00 in Shanghai | 20:00 in Shanghai | 21:00 in Shanghai | 22:00 in Shanghai | 23:00 in Shanghai |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shanghai—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| San Mateo—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Shanghai and San Mateo
Best hours to call
09:00 in Shanghai
Inside working hours on both sides
09:00 in San Mateo
10:00 in Shanghai
Inside working hours on both sides
10:00 in San Mateo
11:00 in Shanghai
Inside working hours on both sides
11:00 in San Mateo
12:00 in Shanghai
Inside working hours on both sides
12:00 in San Mateo
Where daylight saving pulls them apart
Neither Shanghai nor San Mateo changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is San Mateo of Shanghai?
San Mateo and Shanghai read the same clock right now.
What is the best time to call between Shanghai and San Mateo?
Any hour in 09:00–18:00 Shanghai time is inside working hours in both cities.
Do Shanghai and San Mateo change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.