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