Updating current time…
ChileCLST
UTC−3
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ChinaCST
UTC+8
11h ahead
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Quick answers

Selected conversion

9:00 am09:00 CLST (UTC-3), Oct 28, 2026 = 8:00 pm20:00 CST (UTC+8), Oct 28, 2026

San Antonio is 11 hours behind Shanghai.

How the time difference changes

For most of the year, San Antonio, Chile is 11 hours behind Shanghai. From Apr 4 to Sep 5, 2027, San Antonio, Chile is 12 hours behind Shanghai.

For most of the year, working hours of 9:00 am to 6:00 pm in San Antonio, Chile correspond to 8:00 pm to 5:00 am (next day) in Shanghai. At other times of the year, working hours of 9:00 am to 6:00 pm in San Antonio, Chile correspond to 9:00 pm to 6:00 am (next day) in Shanghai.For most of the year, working hours of 09:00 to 18:00 in San Antonio, Chile correspond to 20:00 to 05:00 (next day) in Shanghai. At other times of the year, working hours of 09:00 to 18:00 in San Antonio, Chile correspond to 21:00 to 06:00 (next day) in Shanghai.

Compare San Antonio time with Shanghai time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CLST (Chile Summer Time) is 11 hours behind CST (China Standard Time).
9:00 am09:00 in San Antonio, Chile is 8:00 pm20:00 in Shanghai, China

San Antonio to Shanghai call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in San Antonio which corresponds to 6:30pm-7:30pm18:30-19:30 in Shanghai. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

9:00 am09:00 CLST (Chile Summer Time) (San Antonio, Chile). Offset UTC -3:00 hours
8:00 pm20:00 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours

9:00 am09:00 San Antonio, Chile / 8:00 pm20:00 Shanghai, China

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Hourly time comparison
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San Antonio Time Zone and Facts

Time Zone

Abbreviation / Offset
CLST – Chile Summer Time, UTC-3 (now, daylight saving time)
CLT – Chile Standard Time, UTC-4 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 12:00 amSunday, April 4, 2027 at 00:00: clocks go back 1 hour to Saturday, April 3, 2027 at 11:00 pmSaturday, April 3, 2027 at 23:00 (CLT). Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, September 5, 2027 at 12:00 amSunday, September 5, 2027 at 00:00: clocks go forward 1 hour to 1:00 am01:00 (CLST). Also called Spring Forward or Summer Time.

San Antonio Facts

Country
Chile
Alternative Names
QTN, San Antonio, San-Antonio, sheng an dong ni ao, Сан Антонио, Сан-Антонио, 聖安東尼奧
Population
87,675
Currency
Peso (CLP)
Geographic Coordinates
33° 35' S Latitude / 71° 36' W Longitude
International Dialing Code
+56

Shanghai Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – China Standard Time, UTC+8 (no daylight saving time)

Shanghai Facts

Country
China
Alternative Names
SHA, San'nkae, Sanchajus, Sangaj, Sangay, Sanghaj, Sanghay, Sanhaja, Sanhajo, Sanxay, Schanghai, Shang-hai, Shang-hai-shih, Shangai, Shangaj, Shanghai, Shanghai - shang hai, Shanghai - 上海, Shankhaj, Sjanghae, Sjanghai, Sjanghæ, Szanghaj, Thuong Hai, Thượng Hải, Xangai, cankay, sangha'i, sanghae, sanghai, seiynghi, shang hai, shang hai shi, shanghay, shanghhay, shanhai, zhong guo shang hai, Ŝanhajo, Şangay, Şanghay, Şanxay, Šanchajus, Šangaj, Šanghaj, Šanhaja, Σανγκάη, Шангај, Шанхай, שאנגחאי, شانغهاي, شانگهای, شاڭخەي, شاڭخەي شەھىرى, সাংঘাই, சாங்காய், เซี่ยงไฮ้, შანჰაი, 上海, 上海市, 中国上海, 상하이, 상해
Population
24,874,500
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
31° 13' N Latitude / 121° 27' E Longitude
International Dialing Code
+86