Chicago to Tokyo time
Local time in Tokyo, Japan, compared with Chicago, United States — hour by hour, through 2026 and 2027.
Draft page. The time data below is computed
from the IANA database and is accurate; the editorial sections are still being written.
This page is excluded from the sitemap and marked noindex until then.
Right now it is — in Chicago and — in Tokyo. (Needs JavaScript. Everything below works without it.)
Time difference at a glance
| City | Standard time | Daylight saving | IANA time zone |
|---|---|---|---|
| Chicago, United States | UTC-06:00 | UTC-05:00 | America/Chicago |
| Tokyo, Japan | UTC+09:00 | Not observed | Asia/Tokyo |
1 January 2026 – 7 March 2026: Tokyo is 15 hours ahead of Chicago.
9 March 2026 – 31 October 2026: Tokyo is 14 hours ahead of Chicago.
2 November 2026 – 13 March 2027: Tokyo is 15 hours ahead of Chicago.
15 March 2027 – 6 November 2027: Tokyo is 14 hours ahead of Chicago.
8 November 2027 – 31 December 2027: Tokyo is 15 hours ahead of Chicago.
The gap between Chicago and Tokyo is not the same all year, because the two places change their clocks on different dates — or because only one of them changes at all. Check which period your meeting falls into before scheduling.
Days when the gap shifts
On these dates the clocks move, so the gap changes partway through the day. That is why they sit outside the periods above rather than inside one of them.
- 8 March 2026 — Chicago changes its clocks. Tokyo goes from 15 hours ahead to 14 hours ahead.
- 1 November 2026 — Chicago changes its clocks. Tokyo goes from 14 hours ahead to 15 hours ahead.
- 14 March 2027 — Chicago changes its clocks. Tokyo goes from 15 hours ahead to 14 hours ahead.
- 7 November 2027 — Chicago changes its clocks. Tokyo goes from 14 hours ahead to 15 hours ahead.
When each city's clocks move, 2026 and 2027
- Chicago: clocks go forward on 8 March 2026 (UTC-06:00 → UTC-05:00)
- Chicago: clocks go back on 1 November 2026 (UTC-05:00 → UTC-06:00)
- Chicago: clocks go forward on 14 March 2027 (UTC-06:00 → UTC-05:00)
- Chicago: clocks go back on 7 November 2027 (UTC-05:00 → UTC-06:00)
Best time to schedule a call
A standard working day in Chicago does not overlap with one in Tokyo. Meetings need someone to start early or finish late — use the table below to pick the least disruptive hour for both sides.
24-hour conversion: when Tokyo is 15 hours ahead of Chicago
Each row is one hour of the day in Chicago, with the matching local time in Tokyo. This table applies to 1 January 2026 – 7 March 2026 · 2 November 2026 – 13 March 2027 · 8 November 2027 – 31 December 2027 — every full day of those periods, when Tokyo is 15 hours ahead of Chicago. The clock-change days themselves are listed separately above, because the gap shifts partway through them.
| Chicago | Tokyo | Both at work? |
|---|---|---|
| 00:00 | 15:00 | One side only |
| 01:00 | 16:00 | One side only |
| 02:00 | 17:00 | Outside hours |
| 03:00 | 18:00 | Outside hours |
| 04:00 | 19:00 | Outside hours |
| 05:00 | 20:00 | Outside hours |
| 06:00 | 21:00 | Outside hours |
| 07:00 | 22:00 | Outside hours |
| 08:00 | 23:00 | Outside hours |
| 09:00 | 00:00 (next day) | One side only |
| 10:00 | 01:00 (next day) | One side only |
| 11:00 | 02:00 (next day) | One side only |
| 12:00 | 03:00 (next day) | One side only |
| 13:00 | 04:00 (next day) | One side only |
| 14:00 | 05:00 (next day) | One side only |
| 15:00 | 06:00 (next day) | One side only |
| 16:00 | 07:00 (next day) | One side only |
| 17:00 | 08:00 (next day) | Outside hours |
| 18:00 | 09:00 (next day) | One side only |
| 19:00 | 10:00 (next day) | One side only |
| 20:00 | 11:00 (next day) | One side only |
| 21:00 | 12:00 (next day) | One side only |
| 22:00 | 13:00 (next day) | One side only |
| 23:00 | 14:00 (next day) | One side only |
24-hour conversion: when Tokyo is 14 hours ahead of Chicago
Each row is one hour of the day in Chicago, with the matching local time in Tokyo. This table applies to 9 March 2026 – 31 October 2026 · 15 March 2027 – 6 November 2027 — every full day of those periods, when Tokyo is 14 hours ahead of Chicago. The clock-change days themselves are listed separately above, because the gap shifts partway through them.
| Chicago | Tokyo | Both at work? |
|---|---|---|
| 00:00 | 14:00 | One side only |
| 01:00 | 15:00 | One side only |
| 02:00 | 16:00 | One side only |
| 03:00 | 17:00 | Outside hours |
| 04:00 | 18:00 | Outside hours |
| 05:00 | 19:00 | Outside hours |
| 06:00 | 20:00 | Outside hours |
| 07:00 | 21:00 | Outside hours |
| 08:00 | 22:00 | Outside hours |
| 09:00 | 23:00 | One side only |
| 10:00 | 00:00 (next day) | One side only |
| 11:00 | 01:00 (next day) | One side only |
| 12:00 | 02:00 (next day) | One side only |
| 13:00 | 03:00 (next day) | One side only |
| 14:00 | 04:00 (next day) | One side only |
| 15:00 | 05:00 (next day) | One side only |
| 16:00 | 06:00 (next day) | One side only |
| 17:00 | 07:00 (next day) | Outside hours |
| 18:00 | 08:00 (next day) | Outside hours |
| 19:00 | 09:00 (next day) | One side only |
| 20:00 | 10:00 (next day) | One side only |
| 21:00 | 11:00 (next day) | One side only |
| 22:00 | 12:00 (next day) | One side only |
| 23:00 | 13:00 (next day) | One side only |