San Marcos to Shanghai time converter

Shanghai is 15 hours ahead of San Marcos. When it is 9:00 AM in San Marcos, it is 12:00 AM (Wed, Oct 21) in Shanghai.

San Marcos PDT

Tuesday, October 20, 2026

Shanghai CST

Tuesday, October 20, 2026

San Marcos
California, United States
Tue, Oct 20
PDTUTC-7
Shanghai
China
Tue, Oct 20
CSTUTC+8+15h
Finding your time zone…
Shared working hours (9:00–18:00)

San Marcos to Shanghai conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in San Marcos (7:00 AM – 9:00 AM in Shanghai): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because San Marcos and Shanghai switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Oct 20, 2027: +15h

Distance

San Marcos and Shanghai are 10,578 km (6,573 miles) apart in a straight line.

More conversions

Shanghai to San MarcosSan Marcos to New YorkSan Marcos to LondonSan Marcos to Los AngelesSan Marcos to ChicagoSan Marcos to TorontoSan Marcos to São PauloSan Marcos to ParisSan Marcos to BerlinSan Marcos to MoscowSan Marcos to DubaiSan Marcos to New DelhiSan Marcos 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 Marcos and Shanghai?

Shanghai is 15 hours ahead of San Marcos.

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

When it is 9:00 AM in San Marcos, it is 12:00 AM (Wed, Oct 21) in Shanghai.

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

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in San Marcos (7:00 AM – 9:00 AM in Shanghai): working hours on one side, early or late on the other.

Does the time difference between San Marcos and Shanghai change?

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