How to read it
Toronto and Chicago, side by side
Each row is one city's day, half an hour to a square, lined up by the hours along the bottom.
- 1Filled: at the desk, 9:00 to 18:00 where that city is.
- 2Grey: up early, up late, or the weekend.
- 3Outline: asleep.
- 4Red band: your slot. Read straight down to see the same moment in every city.
- 5A marks the best time for everyone; B, when there is one, the next best.
The red band is the best time to call on Wed, 21 Oct 2026: 10:00–11:00 in Toronto, which is 09:00–10:00 in Chicago.
Through the year
How the gap between Toronto and Chicago moves
Chicago is 1h behind Toronto today. Both cities change their clocks on the same days, so the gap stays the same all year.
- Chicago 1h behind Toronto
Hour by hour
Toronto to Chicago time, hour by hour
On a working day (Wed, 21 Oct 2026), with working hours of 9:00 to 18:00 in both cities.
- Toronto starts work 09:00 08:00 in Chicago Early
- Chicago starts work 09:00 10:00 in Toronto At desk
- Toronto finishes work 18:00 17:00 in Chicago At desk
- Chicago finishes work 18:00 19:00 in Toronto Late
Show all 24 hours
| Toronto | Chicago |
|---|---|
| 00:00 Asleep | 23:00 Tue Asleep |
| 01:00 Asleep | 00:00 Asleep |
| 02:00 Asleep | 01:00 Asleep |
| 03:00 Asleep | 02:00 Asleep |
| 04:00 Asleep | 03:00 Asleep |
| 05:00 Asleep | 04:00 Asleep |
| 06:00 Asleep | 05:00 Asleep |
| 07:00 Early | 06:00 Asleep |
| 08:00 Early | 07:00 Early |
| 09:00 At desk | 08:00 Early |
| 10:00 At desk | 09:00 At desk |
| 11:00 At desk | 10:00 At desk |
| 12:00 At desk | 11:00 At desk |
| 13:00 At desk | 12:00 At desk |
| 14:00 At desk | 13:00 At desk |
| 15:00 At desk | 14:00 At desk |
| 16:00 At desk | 15:00 At desk |
| 17:00 At desk | 16:00 At desk |
| 18:00 Late | 17:00 At desk |
| 19:00 Late | 18:00 Late |
| 20:00 Late | 19:00 Late |
| 21:00 Late | 20:00 Late |
| 22:00 Asleep | 21:00 Late |
| 23:00 Asleep | 22:00 Asleep |
Questions
Questions people ask
What is the time difference between Toronto and Chicago?
Chicago is 1h behind Toronto (as of Wed, 21 Oct 2026). Both cities change their clocks on the same days, so the gap stays the same all year.
What is the best time for a call between Toronto and Chicago?
On a working day, the best time for a call is 10:00–11:00 in Toronto, which is 09:00–10:00 in Chicago. Everyone is at their desk.
Does Toronto change its clocks?
Yes. Toronto moves its clocks back an hour on Sun, 1 Nov 2026, and forward an hour on Sun, 14 Mar 2027.
Does Chicago change its clocks?
Yes. Chicago moves its clocks back an hour on Sun, 1 Nov 2026, and forward an hour on Sun, 14 Mar 2027.
More city pairs
Compare more cities
Toronto and…
- Toronto and Mumbai
- Toronto and Delhi
- Toronto and Bengaluru
- Toronto and Dubai
- Toronto and Abu Dhabi
- Toronto and Riyadh
- Toronto and Doha
- Toronto and Singapore
- Toronto and Hong Kong
- Toronto and Tokyo
- Toronto and Sydney
- Toronto and London
- Toronto and Paris
- Toronto and Berlin
- Toronto and Amsterdam
- Toronto and New York
- Toronto and Los Angeles
- Toronto and San Francisco
Chicago and…
- Chicago and Mumbai
- Chicago and Delhi
- Chicago and Bengaluru
- Chicago and Dubai
- Chicago and Abu Dhabi
- Chicago and Riyadh
- Chicago and Doha
- Chicago and Singapore
- Chicago and Hong Kong
- Chicago and Tokyo
- Chicago and Sydney
- Chicago and London
- Chicago and Paris
- Chicago and Berlin
- Chicago and Amsterdam
- Chicago and New York
- Chicago and Los Angeles
- Chicago and San Francisco
From the team behind 10:10
Running an event across time zones?
C4E has spent twenty years running conferences, dealer meets and offsites in more than 40 countries, with clients, speakers and crews in different time zones. 10:10 is one of the tools we built for our own shows. It is free, with no account and nothing upsold.