Energy & AI Hubs · Global Travel · Golden Overlap Planner

🇺🇸 Find the Golden Overlap: Ashburn to Seoul 🇰🇷

Ashburn, a leading energy and AI data center hub, and Seoul, a top global travel and commerce hub. Use this planner to visualize common working hours, find the golden overlap window, and schedule your next global team sync — with DST-accurate UTC offsets and precise business-hours data.

Ashburn: UTC-4 Seoul: UTC+9 Difference: 13 hours Updated: May 2026
Timezone Comparison
🇺🇸
Ashburn
UTC-4 · Virginia, USA
↔
🇰🇷
Seoul
UTC+9 · Seoul, South Korea

Time difference: 13 hours

Visualizing the Working Hours Gap

No direct 9 AM–5 PM business-hours overlap. Use the 24-hour table below for the closest windows.

Golden Overlap Hours

No direct 9 AM–5 PM overlap. See the 24-hour table below for the nearest windows.

Try the Interactive Dial Planner

Drag to scrub through 24 hours. Live DST-accurate Temporal API logic.

OPEN PLANNER
Full 24-Hour Clock Reference
UTC🇺🇸 Ashburn🇰🇷 Seoul
00:008:00 PM9:00 AM
01:009:00 PM10:00 AM
02:0010:00 PM11:00 AM
03:0011:00 PM12:00 PM
04:0012:00 AM1:00 PM
05:001:00 AM2:00 PM
06:002:00 AM3:00 PM
07:003:00 AM4:00 PM
08:004:00 AM5:00 PM
09:005:00 AM6:00 PM
10:006:00 AM7:00 PM
11:007:00 AM8:00 PM
12:008:00 AM9:00 PM
13:009:00 AM10:00 PM
14:0010:00 AM11:00 PM
15:0011:00 AM12:00 AM
16:0012:00 PM1:00 AM
17:001:00 PM2:00 AM
18:002:00 PM3:00 AM
19:003:00 PM4:00 AM
20:004:00 PM5:00 AM
21:005:00 PM6:00 AM
22:006:00 PM7:00 AM
23:007:00 PM8:00 AM
Frequently Asked Questions

What is the best time to schedule a meeting between Ashburn and Seoul?

There is no direct 9 AM–5 PM business-hours overlap between Ashburn (UTC-4) and Seoul (UTC+9) given the 13 hours difference. Consider early mornings in Seoul or a rotating schedule so neither team always takes the off-hours slot.

What is the time difference between Ashburn and Seoul?

Ashburn is on UTC-4 and Seoul is on UTC+9, a difference of 13 hours. This can shift by ±1 hour during DST transitions.

When it is 9:00 AM in Ashburn, what time is it in Seoul?

When it is 9:00 AM in Ashburn (UTC-4), it is 10:00 PM in Seoul (UTC+9).

What are Ashburn working hours in Seoul local time?

A standard Ashburn workday of 9 AM–5 PM (UTC-4) corresponds to 10:00 PM–6:00 AM local time in Seoul (UTC+9).

Does daylight saving time affect the Ashburn–Seoul time difference?

Yes. If either city observes DST, the gap can shift by one hour around clock-change weekends. Always confirm current UTC offsets with a live tool before scheduling important calls.

What UTC time corresponds to the Ashburn–Seoul overlap window?

No shared 9 AM–5 PM UTC window exists for this pair. The closest option is 1:00 PM UTC (9 AM in Ashburn), which is 10:00 PM in Seoul.

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