Chicago to Custoias time converter

Custoias is 6 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 3:00 PM in Custoias.

Chicago CDT

Sunday, October 18, 2026

Custoias WEST

Sunday, October 18, 2026

Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5
Custoias
Portugal
Sun, Oct 18
WESTUTC+1+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Custoias conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Chicago (3:00 PM – 6:00 PM in Custoias).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Nov 1, 2026: +5h
  • Nov 1, 2026 – Mar 14, 2027: +6h
  • Mar 14, 2027 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 18, 2027: +6h

Distance

Chicago and Custoias are 6,427 km (3,994 miles) apart in a straight line.

More conversions

Custoias 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 CustoiasLondon to CustoiasLos Angeles to CustoiasToronto to CustoiasSão Paulo to CustoiasParis to CustoiasBerlin to CustoiasMoscow to CustoiasDubai to CustoiasNew Delhi to CustoiasBangkok to CustoiasSingapore to Custoias

Questions and answers

What is the time difference between Chicago and Custoias?

Custoias is 6 hours ahead of Chicago.

What time is it in Custoias when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 3:00 PM in Custoias.

When is the best time to call Custoias from Chicago?

Both sides are at work from 9:00 AM – 12:00 PM in Chicago (3:00 PM – 6:00 PM in Custoias).

Does the time difference between Chicago and Custoias change?

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