Time in San Juan vs Guangzhou
San Juan keeps PST (UTC+8) and Guangzhou keeps CST (UTC+8) today. Guangzhou is the same time as San Juan; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–18:00 in Guangzhou (09:00–18:00 your time).
| City | 00:00 in San Juan | 01:00 in San Juan | 02:00 in San Juan | 03:00 in San Juan | 04:00 in San Juan | 05:00 in San Juan | 06:00 in San Juan | 07:00 in San Juan | 08:00 in San Juan | 09:00 in San Juan | 10:00 in San Juan | 11:00 in San Juan | 12:00 in San Juan | 13:00 in San Juan | 14:00 in San Juan | 15:00 in San Juan | 16:00 in San Juan | 17:00 in San Juan | 18:00 in San Juan | 19:00 in San Juan | 20:00 in San Juan | 21:00 in San Juan | 22:00 in San Juan | 23:00 in San Juan |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Juan—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Guangzhou—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with San Juan and Guangzhou
Best hours to call
09:00 in San Juan
Inside working hours on both sides
09:00 in Guangzhou
10:00 in San Juan
Inside working hours on both sides
10:00 in Guangzhou
11:00 in San Juan
Inside working hours on both sides
11:00 in Guangzhou
12:00 in San Juan
Inside working hours on both sides
12:00 in Guangzhou
Where daylight saving pulls them apart
Neither San Juan nor Guangzhou changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Guangzhou of San Juan?
Guangzhou and San Juan read the same clock right now.
What is the best time to call between San Juan and Guangzhou?
Any hour in 09:00–18:00 San Juan time is inside working hours in both cities.
Do San Juan and Guangzhou change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.