Chicago to Cầu Diễn time converter

Cầu Diễn is 12 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 9:00 PM in Cầu Diễn.

Chicago CDT

Sunday, October 18, 2026

Cầu Diễn ICT

Monday, October 19, 2026

Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5
Cầu Diễn
Vietnam
Mon, Oct 19
ICTUTC+7+12h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Cầu Diễn conversion table

Every hour of today in Chicago and the matching time in Cầu Diễn. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Chicago and Cầu Diễn switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: +12h
  • Nov 1, 2026 – Mar 14, 2027: +13h
  • Mar 14, 2027 – Oct 18, 2027: +12h

Distance

Chicago and Cầu Diễn are 12,887 km (8,008 miles) apart in a straight line.

More conversions

Cầu Diễn to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to Cầu DiễnLondon to Cầu DiễnLos Angeles to Cầu DiễnToronto to Cầu DiễnSão Paulo to Cầu DiễnParis to Cầu DiễnBerlin to Cầu DiễnMoscow to Cầu DiễnDubai to Cầu DiễnNew Delhi to Cầu DiễnBangkok to Cầu DiễnSingapore to Cầu Diễn

Questions and answers

What is the time difference between Chicago and Cầu Diễn?

Cầu Diễn is 12 hours ahead of Chicago.

What time is it in Cầu Diễn when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 9:00 PM in Cầu Diễn.

When is the best time to call Cầu Diễn from Chicago?

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

Does the time difference between Chicago and Cầu Diễn change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.