Time Difference Between Puerto Rico and United States
As of 31 August 2026, United States is on the same time as Puerto Rico. That number is not constant. Over the course of a year, because of daylight saving changes, New York, United States ranges from 1 hour behind to level with it relative to San Juan, Puerto Rico. The calculator below is always up to date.
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San Juan, Puerto Rico
18:34
Mon, Aug 31, 2026
UTC-4 · AST · America/Puerto_Rico
New York, United States
0h18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
United States is on the same time as Puerto Rico.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Puerto Rico | Monday, August 31, 2026 | ASTAmerica/Puerto_Rico | UTC-4 | Not observed |
| United States | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
Puerto Rico: Puerto Rico does not observe daylight saving time, so it matches Eastern Time in summer but sits 1 hour ahead of it every winter.
United States: The United States spans six main time zones. This page uses Eastern Time; Pacific Time is 3 hours behind it.
Hour by hour: Puerto Rico to United States
Every hour of today in Puerto Rico and what it is in United States. Highlighted rows fall inside United States working hours (09:00–18:00).
| Puerto Rico | United States |
|---|---|
| 00:00 | 00:00 |
| 01:00 | 01:00 |
| 02:00 | 02:00 |
| 03:00 | 03:00 |
| 04:00 | 04:00 |
| 05:00 | 05:00 |
| 06:00 | 06:00 |
| 07:00 | 07:00 |
| 08:00 | 08:00 |
| 09:00 | 09:00 |
| 10:00 | 10:00 |
| 11:00 | 11:00 |
| Puerto Rico | United States |
|---|---|
| 12:00 | 12:00 |
| 13:00 | 13:00 |
| 14:00 | 14:00 |
| 15:00 | 15:00 |
| 16:00 | 16:00 |
| 17:00 | 17:00 |
| 18:00 | 18:00 |
| 19:00 | 19:00 |
| 20:00 | 20:00 |
| 21:00 | 21:00 |
| 22:00 | 22:00 |
| 23:00 | 23:00 |
Best time to call or meet
Overlapping working hours
09:00–18:00 in Puerto Rico (09:00–18:00 in United States)
Both places are inside 09:00–18:00 for 9 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
08:00–21:00 in Puerto Rico (08:00–21:00 in United States)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
United States puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-4 to UTC-5. After that date, United States is 1 hour behind Puerto Rico — instead of the same time, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Puerto Rico and United States: common questions
What is the time difference between Puerto Rico and United States?
As of 31 August 2026, United States is on the same time as Puerto Rico. The gap is not fixed: across the year, United States ranges from 1 hour behind to level with it relative to Puerto Rico, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Puerto Rico, what time is it in United States?
It is 09:00 AM in New York, United States. Use the time field in the calculator above to check any other hour.
Is United States ahead of or behind Puerto Rico?
Neither. Puerto Rico and United States are currently on the same time, so a meeting at 10:00 happens at 10:00 in both places.
Do Puerto Rico and United States observe daylight saving time?
United States changes its clocks twice a year; Puerto Rico does not. The difference therefore shifts by an hour when United States switches: across the year, United States ranges from 1 hour behind to level with it relative to Puerto Rico.
What is the best time to call United States from Puerto Rico?
Working hours overlap between 09:00 and 18:00 Puerto Rico time, which is 09:00 to 18:00 in United States. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for San Juan, Puerto Rico (UTC-4) and New York, United States (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.