San Juan to Seoul: time difference
Seoul is 1 h ahead of San Juan. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
San Juan 01:37 1:37 AM Seoul 02:37 2:37 AM You –:–
01:37 1:37 AM
Philippine Standard Time · UTC+8
☀️ 05:48 · 🌙 17:35
02:37 2:37 AM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:53
·
+1 h
Seoul is 1 h ahead of San Juan.
When you, San Juan and Seoul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇭 San Juan
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇰🇷 Seoul
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇭 San Juan | 🇰🇷 Seoul |
|---|---|---|
| Local time | 01:37 | 02:37 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Philippine Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from San Juan | — | +1 h |
| IANA zone | Asia/Manila | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:48 | 06:43 |
| Sunset | 17:35 | 17:53 |
| Daylight | 11 h 47 min | 11 h 10 min |
| People on this clock | 126,347 | 9,509,458 |
Compare San Juan with another city
More comparisons with San Juan: the time zones next to it and the far side of the clock.
Big time differences
San Juan and Seoul: common questions
What is the time difference between San Juan and Seoul?
Seoul is 1 hour ahead: it uses UTC+9, while San Juan is on UTC+8.
What time is it in Seoul when it is 9:00 AM in San Juan?
When it is 9:00 AM in San Juan, it is 10:00 AM in Seoul.
If it is 6:00 PM in San Juan, what time is it in Seoul?
At 6:00 PM in San Juan, clocks in Seoul show 7:00 PM.
When do working hours in San Juan and in Seoul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in San Juan, which is 10:00 AM to 6:00 PM in Seoul.
From what time in San Juan is it tomorrow in Seoul?
Once it is 11:00 PM in San Juan, the date in Seoul has already changed. Until 1:00 AM in Seoul, it is still the previous day in San Juan.
Is the time difference between San Juan and Seoul the same all year?
Yes. Neither San Juan nor Seoul switches to summer time, so the gap is always 1 hour.
