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TimezonePair
Home·Hangzhou·Hangzhou × San Juan
Prime meridian·:: UTC·

Hangzhou×San Juan

China · CN
Hangzhou
—:—
Asia/Shanghai·
No DST
Puerto Rico · PR
San Juan
—:—
America/Puerto_Rico·
No DST

Hangzhou is 12 hours behind San Juan. 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
12h behind
Hangzhou vs San Juan
02
Overlap
0h
Business hours 09:00 – 17:00
03
UTC offsets
GMT+8 / GMT-4
CST-C · Puerto Rico
04
Flight
17h 37m
14,554 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
No overlap in working hours
Hangzhou
—:—
0
3
6
9
12
15
18
21
San Juan
—:—
12
15
18
21
0
3
6
9
Scrub a meeting time14:00 Hangzhou
Same moment in San Juan02:00 San Juan
◊ hour by hour

Read the day in both zones.

Share this meeting
timezonepair.com/from/hangzhou/to/san-juan?t=14&a=A&d=2026-05-26&dur=60
14:00 Hangzhou02:00 San Juan
Full 24-hour reference
HangzhouSan Juan
00:00
12:00San Juan only
01:00
13:00San Juan only
02:00
14:00San Juan only
03:00
15:00San Juan only
04:00
16:00San Juan only
05:00
17:00
06:00
18:00
07:00
19:00
08:00
20:00
09:00Hangzhou only
21:00
10:00Hangzhou only
22:00
11:00Hangzhou only
23:00
12:00Hangzhou only
00:00
13:00Hangzhou only
01:00
14:00Hangzhou only
02:00
15:00Hangzhou only
03:00
16:00Hangzhou only
04:00
17:00
05:00
18:00
06:00
19:00
07:00
20:00
08:00
21:00
09:00San Juan only
22:00
10:00San Juan only
23:00
11:00San Juan only
◊ travel essentials

Crossing the border. Money, language, plugs.

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

Hangzhou
Country
China
Capital
Beijing
Currency
Chinese yuan (CNY · ¥)
Language
Chinese
Calling code
+86
Drives on
Right
San Juan
Country
Puerto Rico
Capital
San Juan
Currency
United States dollar (USD · $)
Language
English, Spanish
Calling code
+1
Drives on
Right
◊ common questions

Quick answers. Before you book the call.

What's the time difference between Hangzhou and San Juan?

Hangzhou is 12 hours behind San Juan. Hangzhou runs on GMT+8 and San Juan on GMT-4. 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'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 Hangzhou from San Juan?

About 14,554 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 17h 37m, 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 Hangzhou and San Juan use?

Hangzhou uses the Chinese yuan (CNY, ¥); San Juan uses the United States dollar (USD, $). 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 Hangzhou from San Juan?

Dial the international prefix used by your carrier (often 011), then +86, 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 Hangzhou and San Juan?

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

Do Hangzhou and San Juan 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.

HANGZHOU · Asia/Shanghai
GMT+8 · 30.27°, 120.16°

SAN JUAN · America/Puerto_Rico
GMT-4 · 18.47°, -66.11°

0h shared · 12h behind