Shanghai to Alum Rock Time Converter
Quick answers
Selected conversion
8:00 pm20:00 CST (UTC+8), Nov 15, 2026 = 4:00 am04:00 PST (UTC-8), Nov 15, 2026
Shanghai is 16 hours ahead of Alum Rock.
How the time difference changes
For most of the year, Shanghai is 15 hours ahead of Alum Rock. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, Shanghai is 16 hours ahead of Alum Rock.
For most of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 6:00 pm (previous day) to 3:00 am in Alum Rock. At other times of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 5:00 pm (previous day) to 2:00 am in Alum Rock.For most of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 18:00 (previous day) to 03:00 in Alum Rock. At other times of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 17:00 (previous day) to 02:00 in Alum Rock.
Compare Shanghai time with Alum Rock time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
CST (China Standard Time) is 16 hours ahead of PST (Pacific Standard Time).
8:00 pm20:00 in Shanghai, China is 4:00 am04:00 in Alum Rock, CA, USA
Shanghai to Alum Rock call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in Shanghai which corresponds to 5pm-6pm17:00-18:00 in Alum Rock (previous day).
8:00 pm20:00 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours
4:00 am04:00 PST (Pacific Standard Time) (Alum Rock, CA, USA). Offset UTC -8:00 hours
8:00 pm20:00 Shanghai, China / 4:00 am04:00 Alum Rock, CA, USA
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Shanghai Time Zone and Facts
Time Zone
Shanghai Facts
Alum Rock Time Zone and Facts
Time Zone
PDT – Pacific Daylight Time, UTC-7 (daylight saving time)