Chicago to Portsmouth time converter

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

Chicago CDT

Tuesday, October 20, 2026

Portsmouth BST

Tuesday, October 20, 2026

Chicago
Illinois, United States
Tue, Oct 20
CDTUTC-5
Portsmouth
United Kingdom
Tue, Oct 20
BSTUTC+1+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Portsmouth conversion table

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

ChicagoPortsmouth
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 Portsmouth).

Daylight saving time and the difference

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

  • Oct 20, 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 20, 2027: +6h

Distance

Chicago and Portsmouth are 6,333 km (3,935 miles) apart in a straight line.

More conversions

Portsmouth 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 PortsmouthLondon to PortsmouthLos Angeles to PortsmouthToronto to PortsmouthSão Paulo to PortsmouthParis to PortsmouthBerlin to PortsmouthMoscow to PortsmouthDubai to PortsmouthNew Delhi to PortsmouthBangkok to PortsmouthSingapore to Portsmouth

Questions and answers

What is the time difference between Chicago and Portsmouth?

Portsmouth is 6 hours ahead of Chicago.

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

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

When is the best time to call Portsmouth from Chicago?

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

Does the time difference between Chicago and Portsmouth change?

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