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