San Mateo to Shanghai time converter

Shanghai is 12 hours ahead of San Mateo. When it is 9:00 AM in San Mateo, it is 9:00 PM in Shanghai.

San Mateo VET

Wednesday, October 21, 2026

Shanghai CST

Thursday, October 22, 2026

San Mateo
Venezuela
Wed, Oct 21
VETUTC-4
Shanghai
China
Thu, Oct 22
CSTUTC+8+12h
Finding your time zone…
Shared working hours (9:00–18:00)

San Mateo to Shanghai conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in San Mateo (9:00 PM – 10:00 PM in Shanghai): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 12 hours all year.

Distance

San Mateo and Shanghai are 15,311 km (9,514 miles) apart in a straight line.

More conversions

Shanghai to San MateoSan Mateo to New YorkSan Mateo to LondonSan Mateo to Los AngelesSan Mateo to ChicagoSan Mateo to TorontoSan Mateo to São PauloSan Mateo to ParisSan Mateo to BerlinSan Mateo to MoscowSan Mateo to DubaiSan Mateo to New DelhiSan Mateo to Bangkok
New York to ShanghaiLondon to ShanghaiLos Angeles to ShanghaiChicago to ShanghaiToronto to ShanghaiSão Paulo to ShanghaiParis to ShanghaiBerlin to ShanghaiMoscow to ShanghaiDubai to ShanghaiNew Delhi to ShanghaiBangkok to Shanghai

Questions and answers

What is the time difference between San Mateo and Shanghai?

Shanghai is 12 hours ahead of San Mateo.

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

When it is 9:00 AM in San Mateo, it is 9:00 PM in Shanghai.

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

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in San Mateo (9:00 PM – 10:00 PM in Shanghai): working hours on one side, early or late on the other.

Does the time difference between San Mateo and Shanghai change?

No. The difference stays 12 hours all year.