Time Difference Between West Haven and Tokyo
Tokyo is 13 hours ahead West Haven.
United States
West Haven
America/New_York · UTC-4
Japan
Tokyo
Asia/Tokyo · UTC+9
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both West Haven and Tokyo.
Standard working hours don't overlap between West Haven and Tokyo. Consider early-morning calls in West Haven or late-evening calls in Tokyo.
West Haven to Tokyo — 24-Hour Conversion
Each row shows the equivalent local time in Tokyo for an hour in West Haven. Working-hours rows (9–18) are highlighted.
| West Haven | Tokyo | Match |
|---|---|---|
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in West Haven | ||
| Workday in West Haven | ||
| +1 day | Workday in West Haven | |
| +1 day | Workday in West Haven | |
| +1 day | Workday in West Haven | |
| +1 day | Workday in West Haven | |
| +1 day | Workday in West Haven | |
| +1 day | Workday in West Haven | |
| +1 day | Workday in West Haven | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +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 West Haven and Tokyo?
Tokyo, Japan (UTC+9) is 13 hours ahead West Haven, United States (UTC-4).
What is the best time to schedule a meeting between West Haven 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 West Haven 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 West Haven, what time is it in Tokyo?
Use the conversion table on this page — every hour in West Haven is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.