Time Difference Between Oak Park and Tokyo
Tokyo is 14 hours ahead Oak Park.
United States
Oak Park
America/Chicago · UTC-5
Japan
Tokyo
Asia/Tokyo · UTC+9
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Oak Park and Tokyo.
Standard working hours don't overlap between Oak Park and Tokyo. Consider early-morning calls in Oak Park or late-evening calls in Tokyo.
Oak Park to Tokyo — 24-Hour Conversion
Each row shows the equivalent local time in Tokyo for an hour in Oak Park. Working-hours rows (9–18) are highlighted.
| Oak Park | Tokyo | Match |
|---|---|---|
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in Oak Park | ||
| +1 day | Workday in Oak Park | |
| +1 day | Workday in Oak Park | |
| +1 day | Workday in Oak Park | |
| +1 day | Workday in Oak Park | |
| +1 day | Workday in Oak Park | |
| +1 day | Workday in Oak Park | |
| +1 day | Workday in Oak Park | |
| +1 day | Workday in Oak Park | |
| +1 day | Off hours | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo |
Frequently Asked Questions
What is the time difference between Oak Park and Tokyo?
Tokyo, Japan (UTC+9) is 14 hours ahead Oak Park, United States (UTC-5).
What is the best time to schedule a meeting between Oak Park and Tokyo?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Oak Park and Tokyo?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Oak Park, what time is it in Tokyo?
Use the conversion table on this page — every hour in Oak Park is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.