Time Difference Between Portsmouth Heights and Tokyo
Tokyo is 13 hours ahead Portsmouth Heights.
United States
Portsmouth Heights
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 Portsmouth Heights and Tokyo.
Standard working hours don't overlap between Portsmouth Heights and Tokyo. Consider early-morning calls in Portsmouth Heights or late-evening calls in Tokyo.
Portsmouth Heights to Tokyo — 24-Hour Conversion
Each row shows the equivalent local time in Tokyo for an hour in Portsmouth Heights. Working-hours rows (9–18) are highlighted.
| Portsmouth Heights | 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 Portsmouth Heights | ||
| Workday in Portsmouth Heights | ||
| +1 day | Workday in Portsmouth Heights | |
| +1 day | Workday in Portsmouth Heights | |
| +1 day | Workday in Portsmouth Heights | |
| +1 day | Workday in Portsmouth Heights | |
| +1 day | Workday in Portsmouth Heights | |
| +1 day | Workday in Portsmouth Heights | |
| +1 day | Workday in Portsmouth Heights | |
| +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 Portsmouth Heights and Tokyo?
Tokyo, Japan (UTC+9) is 13 hours ahead Portsmouth Heights, United States (UTC-4).
What is the best time to schedule a meeting between Portsmouth Heights 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 Portsmouth Heights 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 Portsmouth Heights, what time is it in Tokyo?
Use the conversion table on this page — every hour in Portsmouth Heights is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.