Cheonan to Boston Time

Cheonan, South Korea

Fri Jul, 03, 2026
5:25 PM

Cheonan, Chungcheongnam-do, South Korea

Korean Standard Time (KST)

KST is 9 hours ahead of Universal Time (UTC+9)

Boston, USA

Fri Jul, 03, 2026
4:25 AM

Cheonan to Boston Time Conversion

When it is 12:00 PM in Cheonan, it is 11:00 PM the previous day in Boston.

📞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 Cheonan and Boston

Cheonan is 13 hours ahead of Boston.

🕐 Subtract 13 hours from Cheonan time to get Boston time.

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

Cheonan to Boston time conversion chart (24 hours)

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

Cheonan to Boston - Frequently Asked Questions

Q

What is the time difference between Cheonan and Boston?

A

Cheonan is 13 hours ahead of Boston.

Q

Is Cheonan ahead of or behind Boston?

A

Cheonan is ahead of Boston by 13 hours.

Q

When it is 9:00 AM in Cheonan, what time is it in Boston?

A

It is 8:00 PM the previous day in Boston.