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