4 PM AST to Seoul Time

Atlantic Standard Time

Tue Jul, 07, 2026
4:00 PM

Atlantic Standard Time (AST)

4 hours behind Universal Time (UTC-4)

Seoul, Seoul, South Korea Time

Wed Jul, 08, 2026
5:00 AM

Seoul, Seoul, South Korea

9 hours ahead of Universal Time (UTC+9)

AST to Seoul Time Conversion

When it is 12:00 PM in AST, it is 1:00 AM the next day in Seoul.

📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.

Time difference between AST and Seoul

AST is 13 hours behind Seoul.

🕐 Add 13 hours to AST time to get Seoul time.

AST uses 4 hours behind Universal Time (UTC-4) and Seoul uses 9 hours ahead of Universal Time (UTC+9).

AST to Seoul time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between AST and Seoul.
AST Time Seoul Time
12 AM AST Time ↔ 1 PM Seoul Time
1 AM AST Time ↔ 2 PM Seoul Time
2 AM AST Time ↔ 3 PM Seoul Time
3 AM AST Time ↔ 4 PM Seoul Time
4 AM AST Time ↔ 5 PM Seoul Time
5 AM AST Time ↔ 6 PM Seoul Time
6 AM AST Time ↔ 7 PM Seoul Time
7 AM AST Time ↔ 8 PM Seoul Time
8 AM AST Time ↔ 9 PM Seoul Time
9 AM AST Time ↔ 10 PM Seoul Time
10 AM AST Time ↔ 11 PM Seoul Time
11 AM AST Time ↔ 12 AM Seoul Time
AST Time Seoul Time
12 PM AST Time ↔ 1 AM Seoul Time
1 PM AST Time ↔ 2 AM Seoul Time
2 PM AST Time ↔ 3 AM Seoul Time
3 PM AST Time ↔ 4 AM Seoul Time
4 PM AST Time ↔ 5 AM Seoul Time
5 PM AST Time ↔ 6 AM Seoul Time
6 PM AST Time ↔ 7 AM Seoul Time
7 PM AST Time ↔ 8 AM Seoul Time
8 PM AST Time ↔ 9 AM Seoul Time
9 PM AST Time ↔ 10 AM Seoul Time
10 PM AST Time ↔ 11 AM Seoul Time
11 PM AST Time ↔ 12 PM Seoul Time

AST to Seoul - Frequently Asked Questions

Q

What is the time difference between AST and Seoul?

A

AST is 13 hours behind Seoul.

Q

Is AST ahead of or behind Seoul?

A

AST is behind Seoul by 13 hours.

Q

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

A

It is 10:00 PM in Seoul.

Convert AST Time to Popular Cities

AST to Shanghai
AST to Istanbul
AST to Beijing
AST to Moscow
AST to São Paulo
AST to Jakarta
AST to Tokyo
AST to Mexico City
AST to London
AST to New York
AST to Sydney
AST to Melbourne
AST to Johannesburg
AST to Berlin
AST to Madrid
AST to Chicago
AST to Toronto
AST to Rome
AST to Paris
AST to Brisbane
AST to Dubai
AST to Bucharest
AST to Budapest
AST to Perth
AST to Manila
AST to Montreal
AST to Barcelona
AST to Philadelphia
AST to Munich
AST to Kuala Lumpur
AST to Dallas
AST to Auckland
AST to Milan
AST to San Diego
AST to Prague
AST to Adelaide
AST to Amsterdam
AST to San Francisco
AST to Austin
AST to Seattle
AST to Vancouver
AST to Denver
AST to Boston
AST to Las Vegas
AST to Dublin
AST to Zurich
AST to Miami
AST to Geneva
AST to Hong Kong

Convert Time in Popular Time Zones to Seoul

EST to Seoul
CST to Seoul
PST to Seoul
CET to Seoul
UTC to Seoul
PDT to Seoul
IST to Seoul
MST to Seoul
EDT to Seoul
CDT to Seoul
GMT to Seoul
EET to Seoul
BST to Seoul
AEDT to Seoul
CEST to Seoul
AEST to Seoul
SGT to Seoul
GST to Seoul
EEST to Seoul
ADT to Seoul
AWST to Seoul
CAT to Seoul
CST-CH to Seoul
HKT to Seoul
HST to Seoul
IDT to Seoul
ICT to Seoul
IST-I to Seoul
JST to Seoul
KST to Seoul
MDT to Seoul
MSK to Seoul
NPT to Seoul
SAST to Seoul
PKT to Seoul
EAT to Seoul
ECT to Seoul
CST-CU to Seoul
NZDT to Seoul
NZST to Seoul
MYT to Seoul
BRT to Seoul
AKDT to Seoul
AKST to Seoul
CLT to Seoul
CLST to Seoul
UYT to Seoul
WET to Seoul