Time Difference Between Glasgow and Chicago

The time difference between Glasgow and Chicago is 6 hours. When it is 12:00 noon in Glasgow, it is 06:00 in Chicago. Glasgow uses the Europe/London time zone (UTC+1), while Chicago uses America/Chicago (UTC-5).

Chicago is 6 hours behind Glasgow — 6 hours
Glasgow, United Kingdom
02:41:51
Monday, May 11, 2026
UTC+1 · BST (DST)
Chicago, United States
20:41:51
Sunday, May 10, 2026
UTC-5 · CDT (DST)

Time Zone Details: Glasgow vs Chicago

Detail Glasgow Chicago
Time Zone IDEurope/LondonAmerica/Chicago
UTC OffsetUTC+1UTC-5
AbbreviationBSTCDT
DST ActiveYes — currently observingYes — currently observing
CountryUnited KingdomUnited States
RegionEuropeNorth America

Best Time to Schedule a Call

There are 2 overlapping business hours between Glasgow and Chicago (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

15:00–17:00 in Glasgow  =  09:00–11:00 in Chicago

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Glasgow time to Chicago time. Rows highlighted in green indicate overlapping business hours in both cities.

Glasgow Chicago
00:00 18:00 (-1 day) Night
01:00 19:00 (-1 day) Night
02:00 20:00 (-1 day) Night
03:00 21:00 (-1 day) Night
04:00 22:00 (-1 day) Night
05:00 23:00 (-1 day) Night
06:00 00:00
07:00 01:00
08:00 02:00
09:00 03:00
10:00 04:00
11:00 05:00
12:00 06:00
13:00 07:00
14:00 08:00
15:00 09:00 Overlap
16:00 10:00 Overlap
17:00 11:00
18:00 12:00
19:00 13:00
20:00 14:00
21:00 15:00
22:00 16:00 Night
23:00 17:00 Night

Daylight Saving Time (DST) Impact

Both Glasgow and Chicago are currently observing daylight saving time. The current 6 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.

Practical Tips for Glasgow–Chicago Scheduling

Compare Glasgow and Chicago with Other Cities

From Glasgow

From Chicago

Frequently Asked Questions

What is the time difference between Glasgow and Chicago?

The time difference is 6 hours. Chicago is 6 hours behind Glasgow.

Does the time difference change during the year?

Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.

When is the best time to call from Glasgow to Chicago?

The best window is between 15:00 and 17:00 Glasgow time, which corresponds to 09:00–11:00 in Chicago. Both sides fall within normal business hours.

How do I convert Glasgow time to Chicago time?

Subtract 6 hours from Glasgow time to get Chicago time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.