Chicago to Lạng Sơn time converter

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

Chicago CDT

Saturday, October 17, 2026

Lạng Sơn ICT

Saturday, October 17, 2026

Chicago
Illinois, United States
Sat, Oct 17
CDTUTC-5
Lạng Sơn
Vietnam
Sat, Oct 17
ICTUTC+7+12h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Lạng Sơn conversion table

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

ChicagoLạng Sơn
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 Lạng Sơn): 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 Lạng Sơn switch clocks on different dates:

  • Oct 17, 2026 – Nov 1, 2026: +12h
  • Nov 1, 2026 – Mar 14, 2027: +13h
  • Mar 14, 2027 – Oct 17, 2027: +12h

Distance

Chicago and Lạng Sơn are 12,778 km (7,940 miles) apart in a straight line.

More conversions

Lạng Sơn 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 Lạng SơnLondon to Lạng SơnLos Angeles to Lạng SơnToronto to Lạng SơnSão Paulo to Lạng SơnParis to Lạng SơnBerlin to Lạng SơnMoscow to Lạng SơnDubai to Lạng SơnNew Delhi to Lạng SơnBangkok to Lạng SơnSingapore to Lạng Sơn

Questions and answers

What is the time difference between Chicago and Lạng Sơn?

Lạng Sơn is 12 hours ahead of Chicago.

What time is it in Lạng Sơn when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 9:00 PM in Lạng Sơn.

When is the best time to call Lạng Sơn 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 Lạng Sơn): working hours on one side, early or late on the other.

Does the time difference between Chicago and Lạng Sơn change?

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