Chicago & Osaka time difference

Osaka is 14 hours ahead of Chicago (15 hours in winter). Current time, 24-hour table, DST changes and the best time to call.

Osaka is 14 hours ahead of Chicago (15 hours in winter).

City Comparison Insights

  • Chicago — United States, America/Chicago (UTC-5), USD, Local time: 17:56
  • Osaka — Japan, Asia/Tokyo (UTC+9), JPY, Local time: 07:56

Chicago to Osaka time conversion table (24 hours)

Each hour in Chicago with the matching time in Osaka. +1 is the next day, −1 the previous day.

ChicagoOsaka
00:0014:00
01:0015:00
02:0016:00
03:0017:00
04:0018:00
05:0019:00
06:0020:00
07:0021:00
08:0022:00
09:0023:00
10:0000:00 +1
11:0001:00 +1
12:0002:00 +1
13:0003:00 +1
14:0004:00 +1
15:0005:00 +1
16:0006:00 +1
17:0007:00 +1
18:0008:00 +1
19:0009:00 +1
20:0010:00 +1
21:0011:00 +1
22:0012:00 +1
23:0013:00 +1

Best time to call or meet

Business hours (09:00–17:00) do not overlap. Best compromise: Chicago 18:00–19:00 = Osaka 08:00–09:00 (next day).

Daylight saving time (DST)

  • Summer time: 14 hours / Winter time: 15 hours.
  • From November 1, 2026, the difference becomes 15 hours.
  • From March 14, 2027, the difference becomes 14 hours.
  • Chicago: UTC offset changes from UTC−5 to UTC−6 on November 1, 2026.
  • Osaka: no daylight saving time.

Frequently asked questions

What is the time difference between Chicago and Osaka?

Osaka is 14 hours ahead of Chicago (15 hours in winter).

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

When it is 9:00 in Chicago, it is 23:00 in Osaka.

What is the best time to call from Chicago to Osaka?

Business hours (09:00–17:00) do not overlap. Best compromise: Chicago 18:00–19:00 = Osaka 08:00–09:00 (next day).

Does daylight saving time change the time difference between Chicago and Osaka?

Summer time: 14 hours / Winter time: 15 hours. From November 1, 2026, the difference becomes 15 hours.

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