Time Difference

Chicago vs Osaka Time Difference

Compare the current local time in Chicago, United States and Osaka, Japan.

Live local timeDST awareUTC offsets

From

Chicago

United States

9:21 PM

Sat, Oct 31

UTC-5America/Chicago

Difference

14 hours

Swap

Osaka

Japan

11:21 AM

Sun, Nov 1

UTC+9Asia/Tokyo

Current difference

Osaka is currently 14 hours ahead of Chicago.

This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.

24-hour comparison

Compare Chicago and Osaka hour by hour

See how a full local day in Chicago, United States maps to Osaka, Japan. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Working-hours overlap

There is no direct overlap between typical 9:00 AM–6:00 PM working hours in Chicago and Osaka on this date.

Chicago

America/Chicago

Osaka

Asia/Tokyo

Availability

12:00 AM

Sat, Oct 31

2:00 PM

Sat, Oct 31

Night

1:00 AM

Sat, Oct 31

3:00 PM

Sat, Oct 31

Night

2:00 AM

Sat, Oct 31

4:00 PM

Sat, Oct 31

Night

3:00 AM

Sat, Oct 31

5:00 PM

Sat, Oct 31

Night

4:00 AM

Sat, Oct 31

6:00 PM

Sat, Oct 31

Night

5:00 AM

Sat, Oct 31

7:00 PM

Sat, Oct 31

Night

6:00 AM

Sat, Oct 31

8:00 PM

Sat, Oct 31

Night

7:00 AM

Sat, Oct 31

9:00 PM

Sat, Oct 31

Night

8:00 AM

Sat, Oct 31

10:00 PM

Sat, Oct 31

Night

9:00 AM

Sat, Oct 31

11:00 PM

Sat, Oct 31

Night

10:00 AM

Sat, Oct 31

12:00 AM

Next day

Sun, Nov 1

Night

11:00 AM

Sat, Oct 31

1:00 AM

Next day

Sun, Nov 1

Night

12:00 PM

Sat, Oct 31

2:00 AM

Next day

Sun, Nov 1

Night

1:00 PM

Sat, Oct 31

3:00 AM

Next day

Sun, Nov 1

Night

2:00 PM

Sat, Oct 31

4:00 AM

Next day

Sun, Nov 1

Night

3:00 PM

Sat, Oct 31

5:00 AM

Next day

Sun, Nov 1

Night

4:00 PM

Sat, Oct 31

6:00 AM

Next day

Sun, Nov 1

Night

5:00 PM

Sat, Oct 31

7:00 AM

Next day

Sun, Nov 1

Possible

6:00 PM

Sat, Oct 31

8:00 AM

Next day

Sun, Nov 1

Possible

7:00 PM

Sat, Oct 31

9:00 AM

Next day

Sun, Nov 1

Possible

8:00 PM

Sat, Oct 31

10:00 AM

Next day

Sun, Nov 1

Possible

9:00 PM

Sat, Oct 31

11:00 AM

Next day

Sun, Nov 1

Night

10:00 PM

Sat, Oct 31

12:00 PM

Next day

Sun, Nov 1

Night

11:00 PM

Sat, Oct 31

1:00 PM

Next day

Sun, Nov 1

Night

Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.

On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.

Call planning

Best time to call Osaka from Chicago

Compare typical business hours in Chicago, United States and Osaka, Japan to find a practical time for calls, meetings or international coordination.

No direct business-hours overlap

Flexible scheduling is recommended

Typical 9:00 AM–6:00 PM working hours do not overlap directly between Chicagoand Osaka. Consider an early-morning or evening call instead.

Other reasonable windows

Chicago

5:00 PM – 9:00 PM

Osaka

7:00 AM – 11:00 AM

Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.

Time difference explained

Chicago and Osaka time difference explained

Current local-time relationship

Osaka is currently 14 hours ahead of Chicago.

Chicago uses America/Chicago and currently has an offset of UTC-5. Osaka uses Asia/Tokyo and currently has an offset of UTC+9.

Working-hours overlap

Typical 9:00 AM–6:00 PM business hours do not directly overlap, so calls may require an early-morning or evening schedule.

Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.

Convert a specific time

Need more than the current difference?

Convert a specific date and local time between Chicago and Osaka.

Open time converter

Local clocks

Explore each city

Current time in Chicago Current time in Osaka

FAQ

Chicago to Osaka time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Chicago and Osaka.

What is the time difference between Chicago and Osaka?

The current time difference between Chicago and Osaka is 14 hours. Osaka is currently 14 hours ahead of Chicago.

Is Osaka ahead of or behind Chicago?

Osaka is currently 14 hours ahead of Chicago.

What time is it in Osaka when it is 9:00 AM in Chicago?

Using the current UTC offsets, 9:00 AM in Chicago corresponds to 11:00 PM in Osaka. The exact difference can change when daylight-saving rules change.

What is the best time to call Osaka from Chicago?

Typical 9:00 AM–6:00 PM business hours do not directly overlap between Chicago and Osaka. An early-morning or evening call may be more practical.

Can the time difference between Chicago and Osaka change?

Yes. The time difference can change if Chicago or Osaka changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones America/Chicago and Asia/Tokyo for date-aware calculations.