Sydney, Australia
Sun, Jul 5, 2026 00:37
- Timezone
- Australia/Sydney
- UTC offset
- UTC+10:00
- Daylight saving
- No
Sydney and Chicago Time Difference
Compare Sydney vs Chicago time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.
Quick Answer
What is the time difference between Sydney and Chicago?
The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether Chicago is ahead of or behind Sydney.
Current time difference
Chicago, United States
Sat, Jul 4, 2026 09:37
- Timezone
- America/Chicago
- UTC offset
- UTC-05:00
- Daylight saving
- Yes
Time difference
Chicago is 15 hours behind Sydney
UTC offset difference
-15:00
Suggested call window
Sun, Jul 5, 08:00-09:00 / Sat, Jul 4, 17:00-18:00
Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.
Dynamic Time Difference
Sydney is 15 hours ahead of Chicago
The difference changes during 2026 because Sydney changes UTC offset during the year and Chicago changes UTC offset during the year. Jan 1-Mar 7: Sydney is 17 hours ahead of Chicago; Mar 8-Apr 4: Sydney is 16 hours ahead of Chicago; Apr 5-Oct 3: Sydney is 15 hours ahead of Chicago; Oct 4-Oct 31: Sydney is 16 hours ahead of Chicago; Nov 1-Dec 31: Sydney is 17 hours ahead of Chicago.
Sydney
UTC+10:00 · Seasonal clock changes; DST is inactive now
Chicago
UTC-05:00 · Seasonal clock changes; DST is active now
Business Call Window
09:00-18:00 work-hour overlap
The standard workdays do not overlap. Consider 00:00 in Sydney / 09:00 in Chicago, or 18:00 in Sydney / 03:00 in Chicago. Confirm the edge-of-day option before calling.
24-Hour Conversion Table
Sydney to Chicago hourly time conversion
The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.
| Sydney | Chicago |
|---|---|
| 00:00 | 09:00 (previous day) |
| 01:00 | 10:00 (previous day) |
| 02:00 | 11:00 (previous day) |
| 03:00 | 12:00 (previous day) |
| 04:00 | 13:00 (previous day) |
| 05:00 | 14:00 (previous day) |
| 06:00 | 15:00 (previous day) |
| 07:00 | 16:00 (previous day) |
| 08:00 | 17:00 (previous day) |
| 09:00 | 18:00 (previous day) |
| 10:00 | 19:00 (previous day) |
| 11:00 | 20:00 (previous day) |
| 12:00 | 21:00 (previous day) |
| 13:00 | 22:00 (previous day) |
| 14:00 | 23:00 (previous day) |
| 15:00 | 00:00 |
| 16:00 | 01:00 |
| 17:00 | 02:00 |
| 18:00 | 03:00 |
| 19:00 | 04:00 |
| 20:00 | 05:00 |
| 21:00 | 06:00 |
| 22:00 | 07:00 |
| 23:00 | 08:00 |
FAQ
What is the current time difference between Sydney and Chicago?
Sydney is 15 hours ahead of Chicago. This uses the active IANA timezone offsets for today.
When does the Sydney-Chicago time difference change in 2026?
The difference changes during 2026 because Sydney changes UTC offset during the year and Chicago changes UTC offset during the year. Jan 1-Mar 7: Sydney is 17 hours ahead of Chicago; Mar 8-Apr 4: Sydney is 16 hours ahead of Chicago; Apr 5-Oct 3: Sydney is 15 hours ahead of Chicago; Oct 4-Oct 31: Sydney is 16 hours ahead of Chicago; Nov 1-Dec 31: Sydney is 17 hours ahead of Chicago.
What are the current UTC offsets for Sydney and Chicago?
Sydney is currently UTC+10:00; Chicago is currently UTC-05:00.
Which direction does the clock change when flying from Sydney to Chicago?
Travelers from Sydney to Chicago move their clock back by 15 hours.
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