Boston to San Juan Time Difference
🇺🇸 Boston is currently the same time of 🇵🇷 San Juan. This difference varies between 0h and 1h due to Daylight Saving Time.
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Atin 🇺🇸 Boston→it will be—in 🇵🇷 San Juan
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Difference
0h
Business overlap
9h
Distance
2,698 km
Approx. flight
3.2h
Hour-by-Hour: Boston to San Juan
| 🇺🇸 Boston | 🇵🇷 San Juan | Note |
|---|---|---|
| 12:00 AM | 12:00 AM | |
| 1:00 AM | 1:00 AM | |
| 2:00 AM | 2:00 AM | |
| 3:00 AM | 3:00 AM | |
| 4:00 AM | 4:00 AM | |
| 5:00 AM | 5:00 AM | |
| 6:00 AM | 6:00 AM | |
| 7:00 AM | 7:00 AM | |
| 8:00 AM | 8:00 AM | |
| 9:00 AM | 9:00 AM | |
| 10:00 AM | 10:00 AM | |
| 11:00 AM | 11:00 AM | |
| 12:00 PM | 12:00 PM | |
| 1:00 PM | 1:00 PM | |
| 2:00 PM | 2:00 PM | |
| 3:00 PM | 3:00 PM | |
| 4:00 PM | 4:00 PM | |
| 5:00 PM | 5:00 PM | |
| 6:00 PM | 6:00 PM | |
| 7:00 PM | 7:00 PM | |
| 8:00 PM | 8:00 PM | |
| 9:00 PM | 9:00 PM | |
| 10:00 PM | 10:00 PM | |
| 11:00 PM | 11:00 PM |
Daylight Saving Time (DST)
Boston observes Daylight Saving Time, while San Juan does not. This causes the time difference to shift between the same time and 1 hour ahead depending on the season. Currently, Boston is the same time relative to San Juan.
Min difference
0h
Max difference
1h
Best Meeting Times
There are 9 overlapping business hours between Boston and San Juan (9 AM – 6 PM in each city).
🇺🇸 Boston
9:00 AM – 6:00 PM
🇵🇷 San Juan
9:00 AM – 6:00 PM
Frequently Asked Questions
What is the time difference between Boston and San Juan?
The time difference between Boston and San Juan is currently the same time. Boston uses EDT (UTC-4), while San Juan uses AST (UTC-4). This difference varies seasonally due to Daylight Saving Time, ranging from the same time to 1 hour ahead.
When it's noon in Boston, what time is it in San Juan?
When it's 12:00 PM (noon) in Boston, it is 12:00 PM in San Juan. Use our calculator above to convert any other time.
Does the time difference between Boston and San Juan change?
Yes, the time difference changes throughout the year. Because Boston observes Daylight Saving Time, the offset shifts between the same time and 1 hour ahead at different times of the year.
What are the best times to schedule a call between Boston and San Juan?
The best time to call is between 9:00 AM and 6:00 PM in Boston (which is 9:00 AM – 6:00 PM in San Juan). This 9-hour window falls within business hours in both cities.
Is Boston ahead or behind San Juan?
Boston and San Juan are in the same time zone right now — there is no difference.
What time zone is Boston in?
Boston is in the America/New York time zone, currently using EDT (UTC-4). Boston observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Boston in San Juan?
When it is midnight (12:00 AM) in Boston, it is 12:00 AM in San Juan.