Clockjumper

Timezone conversion

Chicago to BST Time — Convert Chicago to British Summer Time

BST is currently 6 hours ahead of Chicago, and that is the gap for most of the year. Because the two regions change their clocks on different dates, the gap differs by an hour for a short period each spring and each autumn.

BST is currently 6 hours ahead of Chicago.

Chicago • CDT (UTC-5)
9:32 AM
Thursday, Sep 10
BST • BST (UTC+1)
3:32 PM
Thursday, Sep 10

Abbreviation disambiguation

On Clockjumper, BST refers to British Summer Time (UTC+1), the UK's daylight-saving offset. The same letters are also used locally for Bangladesh Standard Time (UTC+6) — check the city or UTC offset to be sure which is meant.

Interactive converter

From

12:00PM

To

Select both cities to see the converted time.

Pick a time to convert
:

Full Chicago to BST conversion table

ChicagoBST
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(next day)
7:00 PM1:00 AM(next day)
8:00 PM2:00 AM(next day)
9:00 PM3:00 AM(next day)
10:00 PM4:00 AM(next day)
11:00 PM5:00 AM(next day)

Daylight saving and how the gap changes

BST is 6 hours ahead of Chicago for most of the year. Chicago and British Summer Time both observe daylight saving, but they change their clocks on different dates, so for a short period each spring and each autumn the gap differs by an hour — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is BST ahead of or behind Chicago right now?
BST is currently 6 hours ahead of Chicago.
What is the current Chicago to BST time difference?
Right now the gap is 6 hours — BST is 6 hours ahead of Chicago.
Does the Chicago → BST offset change during the year?
Yes, briefly. For most of the year BST is 6 hours ahead of Chicago, but Chicago and British Summer Time change their clocks on different dates, so for a short period each spring and each autumn the gap differs by an hour. The converter above always reflects the correct offset for the date you pick.
Does Chicago observe daylight saving time?
Yes — Chicago observes DST, so its UTC offset shifts by 1 hour between winter and summer.
Does BST observe daylight saving time?
BST is itself the daylight-saving form. British Summer Time is in force at UTC+1 through the summer months; outside that window the same zone is on GMT (UTC+0).
What time is 3 AM Chicago in BST?
3:00 AM Chicago is 9:00 AM BST.
What time is 8 AM Chicago in BST?
8:00 AM Chicago is 2:00 PM BST.
What time is 9 AM Chicago in BST?
9:00 AM Chicago is 3:00 PM BST.
What time is 10 AM Chicago in BST?
10:00 AM Chicago is 4:00 PM BST.
What time is 11 AM Chicago in BST?
11:00 AM Chicago is 5:00 PM BST.
What time is 12 PM (noon) Chicago in BST?
12:00 PM Chicago is 6:00 PM BST.
What time is 2 PM Chicago in BST?
2:00 PM Chicago is 8:00 PM BST.
What time is 3 PM Chicago in BST?
3:00 PM Chicago is 9:00 PM BST.
What time is 4 PM Chicago in BST?
4:00 PM Chicago is 10:00 PM BST.
What time is 5 PM Chicago in BST?
5:00 PM Chicago is 11:00 PM BST.
What time is 9 PM Chicago in BST?
9:00 PM Chicago is 3:00 AM (next day) BST.
What time is 10 PM Chicago in BST?
10:00 PM Chicago is 4:00 AM (next day) BST.
When is the best time to schedule a call between Chicago and BST?
The working-hours overlap (09:00–17:00 in both zones) runs roughly 9:00 AM – 11:00 AM Chicago (≈ 2 hours). The midpoint of that window — 10:00 AM Chicago, 4:00 PM BST — is the safest single slot to propose for a live call.
What time zone does Chicago refer to?
Chicago uses the America/Chicago time zone.
What time zone does BST refer to?
BST refers to British Summer Time (IANA: Europe/London).
Is BST on this page the same as other zones that share the letters "BST"?
On Clockjumper, BST refers to British Summer Time (UTC+1), the UK's daylight-saving offset. The same letters are also used locally for Bangladesh Standard Time (UTC+6) — check the city or UTC offset to be sure which is meant.

Related conversions

Learn more