No overlap — one side will join outside working hours
TOKYO (Tokyo)
CST (Chicago)
00:00
10:00-1dWorking
01:00
11:00-1dWorking
02:00
12:00-1dWorking
03:00
13:00-1dWorking
04:00
14:00-1dWorking
05:00
15:00-1dWorking
06:00
16:00-1dWorking
07:00
17:00-1d
08:00
18:00-1d
09:00Working
19:00-1doff
10:00Working
20:00-1doff
11:00Working
21:00-1doff
12:00Working
22:00-1doff
13:00Working
23:00-1doff
14:00Working
00:00off
15:00Working
01:00off
16:00Working
02:00off
17:00
03:00
18:00
04:00
19:00
05:00
20:00
06:00
21:00
07:00
22:00
08:00
23:00
09:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between tokyo and cst?
TOKYO (Tokyo) (tokyo) is UTC+9 and Central Standard Time (cst) is UTC-5. The difference between them is 14 hours.
Where is tokyo used?
TOKYO (Tokyo) (tokyo) is used in Japan and surrounding regions. The IANA timezone identifier is Asia/Tokyo.
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.
How do I convert tokyo to cst?
Use the interactive converter above. Drag the time slider to any tokyo time and the cst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Tokyo is 14 hours ahead of CST (Chicago). When Tokyo clocks hit noon, CST (Chicago) reads 22:00.
Tokyo observes Asia/Tokyo and CST (Chicago) observes America/Chicago — a 14 hours gap between them.
Daily overlap window
When Tokyo is in standard working hours, CST (Chicago) is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between Tokyo and CST (Chicago). Showing the most balanced options with minimal inconvenience for both locations.
06:00 Tokyo / 16:00 Chicago⚡ One side off-hours
⚠️ 3h before working hours in Tokyo
09:00 Tokyo / 19:00 Chicago⚡ One side off-hours
⚠️ 3h after working hours in Chicago
05:00 Tokyo / 15:00 Chicago⚡ One side off-hours
⚠️ 4h before working hours in Tokyo
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Tokyo7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
CST (Chicago)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Working across Tokyo and CST (Chicago)
Coordinating between Tokyo (Japan) and CST (Chicago) (USA) means working around a 14-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.
💡 Best practice for cross-timezone meetings
⚡
06:00–07:00 in Tokyo corresponds to 16:00–17:00 in CST (Chicago) (3h before working hours in Tokyo).
⚡
09:00–10:00 in Tokyo corresponds to 19:00–20:00 in CST (Chicago) (3h after working hours in Chicago).
⚡
05:00–06:00 in Tokyo corresponds to 15:00–16:00 in CST (Chicago) (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.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any Tokyo time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.