No overlap — one side will join outside working hours
CST (Chicago)
TOKYO (Tokyo)
00:00
14:00Working
01:00
15:00Working
02:00
16:00Working
03:00
17:00
04:00
18:00
05:00
19:00
06:00
20:00
07:00
21:00
08:00
22:00
09:00Working
23:00off
10:00Working
00:00+1doff
11:00Working
01:00+1doff
12:00Working
02:00+1doff
13:00Working
03:00+1doff
14:00Working
04:00+1doff
15:00Working
05:00+1doff
16:00Working
06:00+1doff
17:00
07:00+1d
18:00
08:00+1d
19:00
09:00+1dWorking
20:00
10:00+1dWorking
21:00
11:00+1dWorking
22:00
12:00+1dWorking
23:00
13:00+1dWorking
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between cst and tokyo?
Central Standard Time (cst) is UTC-5 and TOKYO (Tokyo) (tokyo) is UTC+9. The difference between them is 14 hours.
Where is cst used?
Central Standard Time (cst) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago. Note: cst is ambiguous and may refer to other timezones.
Where is tokyo used?
TOKYO (Tokyo) (tokyo) is used in Japan and surrounding regions. The IANA timezone identifier is Asia/Tokyo.
How do I convert cst to tokyo?
Use the interactive converter above. Drag the time slider to any cst time and the tokyo equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
CST (Chicago) is 14 hours behind Tokyo. When CST (Chicago) clocks hit noon, Tokyo reads 02:00.
CST (Chicago) runs on America/Chicago; Tokyo runs on Asia/Tokyo. Together they are 14 hours apart.
Shared working hours
There is no business hours overlap between CST (Chicago) and Tokyo during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best times to schedule a meeting
CST (Chicago) and Tokyo have no shared working window. These slots minimize out-of-hours disruption for both sides.
16:00 Chicago / 06:00 Tokyo⚡ One side off-hours
⚠️ 3h before working hours in Tokyo
19:00 Chicago / 09:00 Tokyo⚡ One side off-hours
⚠️ 3h after working hours in Chicago
15:00 Chicago / 05:00 Tokyo⚡ One side off-hours
⚠️ 4h before working hours in Tokyo
Working hours defined as 09:00–17:00 local time for each location.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
CST (Chicago)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Tokyo7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
Working across CST (Chicago) and Tokyo
A 14-hour difference separates CST (Chicago) (USA) and Tokyo (Japan) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.
💡 Best practice for cross-timezone meetings
⚡
A 16:00 meeting in CST (Chicago) means 06:00 in Tokyo (3h before working hours in Tokyo).
⚡
A 19:00 meeting in CST (Chicago) means 09:00 in Tokyo (3h after working hours in Chicago).
⚡
A 15:00 meeting in CST (Chicago) means 05:00 in Tokyo (4h before working hours in Tokyo).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am CST (Chicago)".