Hongkou to Buenos Aires time converter

Buenos Aires is 11 hours behind Hongkou. When it is 9:00 AM in Hongkou, it is 10:00 PM (Tue, Oct 20) in Buenos Aires.

Hongkou CST

Wednesday, October 21, 2026

Buenos Aires ART

Wednesday, October 21, 2026

China
Wed, Oct 21
CSTUTC+8
Argentina
Wed, Oct 21
ARTUTC-3-11h
Finding your time zone…

11:06 AM in Hongkou, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Hongkou to Buenos Aires conversion table

Every hour of today in Hongkou and the matching time in Buenos Aires. Light rows are typical working hours (9:00–18:00).

HongkouBuenos Aires
12:00 AM1:00 PM−1 day
1:00 AM2:00 PM−1 day
2:00 AM3:00 PM−1 day
3:00 AM4:00 PM−1 day
4:00 AM5:00 PM−1 day
5:00 AM6:00 PM−1 day
6:00 AM7:00 PM−1 day
7:00 AM8:00 PM−1 day
8:00 AM9:00 PM−1 day
9:00 AM10:00 PM−1 day
10:00 AM11:00 PM−1 day
11:00 AM12:00 AM
12:00 PM1:00 AM
1:00 PM2:00 AM
2:00 PM3:00 AM
3:00 PM4:00 AM
4:00 PM5:00 AM
5:00 PM6:00 AM
6:00 PM7:00 AM
7:00 PM8:00 AM
8:00 PM9:00 AM
9:00 PM10:00 AM
10:00 PM11:00 AM
11:00 PM12:00 PM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Hongkou (9:00 AM – 11:00 AM in Buenos Aires): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 11 hours all year.

Distance

Hongkou and Buenos Aires are 19,641 km (12,204 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Hongkou and Buenos Aires?

Buenos Aires is 11 hours behind Hongkou.

What time is it in Buenos Aires when it is 9 AM in Hongkou?

When it is 9:00 AM in Hongkou, it is 10:00 PM (Tue, Oct 20) in Buenos Aires.

When is the best time to call Buenos Aires from Hongkou?

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Hongkou (9:00 AM – 11:00 AM in Buenos Aires): working hours on one side, early or late on the other.

Does the time difference between Hongkou and Buenos Aires change?

No. The difference stays 11 hours all year.