Work in progressTimezonePair is still being built — expect rough edges & missing cities
TimezonePair
Home·San Diego·San Diego × Shanghai
Prime meridian·—:—:— UTC·

San Diego×Shanghai

United States · US
San Diego
—:—
—America/Los_Angeles·—
DST active
China · CN
Shanghai
—:—
—Asia/Shanghai·—
No DST

San Diego is 15 hours ahead of Shanghai. Scrub a time, meet in the overlap, ship the invite — before the kettle boils.

◊ at a glance

Three numbers. The ones that decide the meeting.

01
Difference
15h ahead
San Diego vs Shanghai
02
Overlap
0h
Business hours 09:00 – 17:00
03
UTC offsets
GMT-7 / GMT+8
04
Flight
12h 59m
10,609 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
No overlap in working hours
San Diego
—:—
0
3
6
9
12
15
18
21
Shanghai
—:—
15
18
21
0
3
6
9
12
Scrub a meeting time14:00 San Diego
Same moment in Shanghai05:00 Shanghai
◊ hour by hour

Read the day in both zones.

Share this meeting
timezonepair.com/from/san-diego/to/shanghai?t=14&a=A&d=2026-10-19&dur=60
14:00 San Diego→ 05:00 Shanghai
Full 24-hour reference
San Diego → Shanghai
00:0012:00 am
15:003:00 pmShanghai only
01:001:00 am
16:004:00 pmShanghai only
02:002:00 am
17:005:00 pm
03:003:00 am
18:006:00 pm
04:004:00 am
19:007:00 pm
05:005:00 am
20:008:00 pm
06:006:00 am
21:009:00 pm
07:007:00 am
22:0010:00 pm
08:008:00 am
23:0011:00 pm
09:009:00 amSan Diego only
00:0012:00 am+1 day
10:0010:00 amSan Diego only
01:001:00 am+1 day
11:0011:00 amSan Diego only
02:002:00 am+1 day
12:0012:00 pmSan Diego only
03:003:00 am+1 day
13:001:00 pmSan Diego only
04:004:00 am+1 day
14:002:00 pmSan Diego only
05:005:00 am+1 day
15:003:00 pmSan Diego only
06:006:00 am+1 day
16:004:00 pmSan Diego only
07:007:00 am+1 day
17:005:00 pm
08:008:00 am+1 day
18:006:00 pm
09:009:00 am+1 dayShanghai only
19:007:00 pm
10:0010:00 am+1 dayShanghai only
20:008:00 pm
11:0011:00 am+1 dayShanghai only
21:009:00 pm
12:0012:00 pm+1 dayShanghai only
22:0010:00 pm
13:001:00 pm+1 dayShanghai only
23:0011:00 pm
14:002:00 pm+1 dayShanghai only
◊ quick conversions

If it's this in San Diego, it's that in Shanghai.

8:00 am → 11:00 pm

When it's 8:00 am in San Diego, it's 11:00 pm in Shanghai — night there, the same day.

10:00 am → 1:00 am

When it's 10:00 am in San Diego, it's 1:00 am in Shanghai — late night there, the next day.

12:00 pm → 3:00 am

When it's 12:00 pm in San Diego, it's 3:00 am in Shanghai — late night there, the next day.

3:00 pm → 6:00 am

When it's 3:00 pm in San Diego, it's 6:00 am in Shanghai — morning there, the next day.

5:00 pm → 8:00 am

When it's 5:00 pm in San Diego, it's 8:00 am in Shanghai — morning there, the next day.

9:00 pm → 12:00 pm

When it's 9:00 pm in San Diego, it's 12:00 pm in Shanghai — midday there, the next day.

◊ travel essentials

Crossing the border. Money, language, plugs.

Money changes hands at the border: San Diego uses the USD ($) and Shanghai uses the CNY (¥). Language shifts too — English in San Diego, Chinese in Shanghai. Cars drive on the right in both, so rentals feel familiar.

San Diego
Country
United States
Capital
Washington, D.C.
Currency
United States dollar (USD · $)
Language
English
Calling code
+1
Drives on
Right
Shanghai
Country
China
Capital
Beijing
Currency
Chinese yuan (CNY · ¥)
Language
Chinese
Calling code
+86
Drives on
Right
◊ common questions

Quick answers. Before you book the call.

What's the time difference between San Diego and Shanghai?

San Diego is 15 hours ahead of Shanghai. San Diego runs on GMT-7 and Shanghai on GMT+8. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.

When it's 10 am in San Diego, what time is it in Shanghai?

10:00 am in San Diego is 1:00 am in Shanghai the next day — late night there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.

When it's 3 pm in San Diego, what time is it in Shanghai?

3:00 pm in San Diego is 6:00 am in Shanghai the next day — morning there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.

When's the best time to schedule a meeting?

Standard 09:00–17:00 workdays don't intersect. Most teams compromise with one side meeting early (before 09:00) or late (after 17:00).

Does daylight saving time change the difference?

Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.

How far is San Diego from Shanghai?

About 10,609 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 12h 59m, not counting airport time, winds, or routing around restricted airspace.

Can I send this meeting time as a calendar invite?

Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.

What currency do San Diego and Shanghai use?

San Diego uses the United States dollar (USD, $); Shanghai uses the Chinese yuan (CNY, ¥). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.

How do I call San Diego from Shanghai?

Dial the international prefix used by your carrier (often 00), then +1, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.

What language is spoken in San Diego and Shanghai?

San Diego primarily speaks English; Shanghai speaks Chinese. English is widely used in business contexts in major cities of both, but written contracts may need translation.

Do San Diego and Shanghai drive on the same side of the road?

Yes — both drive on the right. Rental cars feel identical between the two.

◊ keep going

One pair down. 299 cities to go.

Every pair in 300 cities runs the same clocks, the same overlap, the same one-click invite. Pick another.

SAN DIEGO · America/Los_Angeles
GMT-7 · 32.72°, -117.16°

SHANGHAI · Asia/Shanghai
GMT+8 · 31.23°, 121.47°

— 0h shared · 15h ahead