Meeting planner for 2026
Best meeting time for Chicago and Sydney
Sydney is 15 hours ahead of Chicago from 5 April to 3 October 2026. Their 09:00 to 17:00 working hours do not overlap, so the least painful 1 hour meeting is 16:00 to 17:00 in Chicago, which is 07:00 to 08:00 the next day in Sydney.
Working hours overlap in 2026
Both cities working 09:00 to 17:00 local time. When the time difference changes during the year, so do the shared hours.
| Time difference | When in 2026 | In Chicago | In Sydney | Shared hours |
|---|---|---|---|---|
| Sydney 15 hours ahead | 5 April to 3 October | 16:00 to 17:00, fine | 07:00 to 08:00 (next day), early | None |
| Sydney 17 hours ahead | 1 January to 7 March and 1 November to 31 December | 16:00 to 17:00 | 09:00 to 10:00 (next day) | 1 hour |
| Sydney 16 hours ahead | 8 March to 4 April and 4 to 31 October | 15:00 to 16:00, great | 07:00 to 08:00 (next day), early | None |
Worked out for 1 July, 4 February and 14 October 2026. When working hours do not overlap, the row shows the least painful 1 hour meeting and how it rates for each city: an hour just before or after work counts for less than an hour when someone is asleep.
Time difference between Chicago and Sydney in 2026
Sydney is 15 hours ahead of Chicago from 5 April to 3 October 2026. From 1 January to 7 March and from 1 November to 31 December 2026, Sydney is 17 hours ahead of Chicago.
Chicago and Sydney change clocks on different dates in 2026, so Sydney is 16 hours ahead of Chicago from 8 March to 4 April and from 4 to 31 October.
| Dates in 2026 | Chicago | Sydney | Difference |
|---|---|---|---|
| 1 January to 7 March | UTC-06:00, standard | UTC+11:00, daylight saving | Sydney 17 hours ahead |
| 8 March to 4 April | UTC-05:00, daylight saving | UTC+11:00, daylight saving | Sydney 16 hours ahead |
| 5 April to 3 October | UTC-05:00, daylight saving | UTC+10:00, standard | Sydney 15 hours ahead |
| 4 to 31 October | UTC-05:00, daylight saving | UTC+11:00, daylight saving | Sydney 16 hours ahead |
| 1 November to 31 December | UTC-06:00, standard | UTC+11:00, daylight saving | Sydney 17 hours ahead |
Clock changes in 2026
- Chicago is on UTC-06:00 in standard time and UTC-05:00 in daylight saving time. Clocks go forward 1 hour at 02:00 on Sunday 8 March 2026 and back 1 hour at 02:00 on Sunday 1 November 2026.
- Sydney is on UTC+10:00 in standard time and UTC+11:00 in daylight saving time. Clocks go back 1 hour at 03:00 on Sunday 5 April 2026 and forward 1 hour at 02:00 on Sunday 4 October 2026.
Chicago to Sydney time conversion
Hour by hour on Wednesday 1 July 2026, when Sydney is 15 hours ahead of Chicago. At other times of the year, adjust by the change in the time difference above. Working hours are 09:00 to 17:00 in both cities.
| Chicago | Sydney | Working |
|---|---|---|
| 00:00 | 15:00 | Sydney only |
| 01:00 | 16:00 | Sydney only |
| 02:00 | 17:00 | Neither |
| 03:00 | 18:00 | Neither |
| 04:00 | 19:00 | Neither |
| 05:00 | 20:00 | Neither |
| 06:00 | 21:00 | Neither |
| 07:00 | 22:00 | Neither |
| 08:00 | 23:00 | Neither |
| 09:00 | 00:00 (next day) | Chicago only |
| 10:00 | 01:00 (next day) | Chicago only |
| 11:00 | 02:00 (next day) | Chicago only |
| 12:00 | 03:00 (next day) | Chicago only |
| 13:00 | 04:00 (next day) | Chicago only |
| 14:00 | 05:00 (next day) | Chicago only |
| 15:00 | 06:00 (next day) | Chicago only |
| 16:00 | 07:00 (next day) | Chicago only |
| 17:00 | 08:00 (next day) | Neither |
| 18:00 | 09:00 (next day) | Sydney only |
| 19:00 | 10:00 (next day) | Sydney only |
| 20:00 | 11:00 (next day) | Sydney only |
| 21:00 | 12:00 (next day) | Sydney only |
| 22:00 | 13:00 (next day) | Sydney only |
| 23:00 | 14:00 (next day) | Sydney only |
Questions about Chicago and Sydney time
What is the time difference between Chicago and Sydney?
Sydney is 15 hours ahead of Chicago from 5 April to 3 October 2026. From 1 January to 7 March and from 1 November to 31 December 2026, Sydney is 17 hours ahead of Chicago. From 8 March to 4 April and from 4 to 31 October 2026, Sydney is 16 hours ahead of Chicago.
What is the best time for a meeting between Chicago and Sydney?
From 5 April to 3 October 2026, working hours do not overlap, and the least painful 1 hour meeting is 16:00 to 17:00 in Chicago (fine for Chicago), which is 07:00 to 08:00 the next day in Sydney (early for Sydney). From 1 January to 7 March and from 1 November to 31 December 2026, the best time is 16:00 to 17:00 in Chicago, which is 09:00 to 10:00 the next day in Sydney, with 1 hour of overlap. From 8 March to 4 April and from 4 to 31 October 2026, working hours do not overlap, and the least painful 1 hour meeting is 15:00 to 16:00 in Chicago (great for Chicago), which is 07:00 to 08:00 the next day in Sydney (early for Sydney). These times assume 09:00 to 17:00 working hours in both cities.
Do Chicago and Sydney change clocks on the same day?
No. In 2026 Chicago changes clocks on Sunday 8 March and Sunday 1 November, and Sydney on Sunday 5 April and Sunday 4 October. From 1 January to 7 March and from 1 November to 31 December 2026, Sydney is 17 hours ahead of Chicago. From 8 March to 4 April and from 4 to 31 October 2026, Sydney is 16 hours ahead of Chicago.
When it is 09:00 in Chicago, what time is it in Sydney?
It is 00:00 the next day in Sydney from 5 April to 3 October 2026, 02:00 the next day from 1 January to 7 March and from 1 November to 31 December and 01:00 the next day from 8 March to 4 April and from 4 to 31 October.