Time Difference Between United States and Puerto Rico
As of 31 August 2026, Puerto Rico is on the same time as United States. That number is not constant. Over the course of a year, because of daylight saving changes, San Juan, Puerto Rico ranges from level with it to 1 hour ahead relative to New York, United States. The calculator below is always up to date.
Tap either box to search any country or city.
New York, United States
18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
San Juan, Puerto Rico
0h18:34
Mon, Aug 31, 2026
UTC-4 · AST · America/Puerto_Rico
Puerto Rico is on the same time as United States.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| United States | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
| Puerto Rico | Monday, August 31, 2026 | ASTAmerica/Puerto_Rico | UTC-4 | Not observed |
United States: The United States spans six main time zones. This page uses Eastern Time; Pacific Time is 3 hours behind it.
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.
Hour by hour: United States to Puerto Rico
Every hour of today in United States and what it is in Puerto Rico. Highlighted rows fall inside Puerto Rico working hours (09:00–18:00).
| United States | Puerto Rico |
|---|---|
| 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 |
| United States | Puerto Rico |
|---|---|
| 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 United States (09:00–18:00 in Puerto Rico)
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 United States (08:00–21:00 in Puerto Rico)
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, Puerto Rico is 1 hour ahead of United States — 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.
United States and Puerto Rico: common questions
What is the time difference between United States and Puerto Rico?
As of 31 August 2026, Puerto Rico is on the same time as United States. The gap is not fixed: across the year, Puerto Rico ranges from level with it to 1 hour ahead relative to United States, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in United States, what time is it in Puerto Rico?
It is 09:00 AM in San Juan, Puerto Rico. Use the time field in the calculator above to check any other hour.
Is Puerto Rico ahead of or behind United States?
Neither. United States and Puerto Rico are currently on the same time, so a meeting at 10:00 happens at 10:00 in both places.
Do United States and Puerto Rico 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, Puerto Rico ranges from level with it to 1 hour ahead relative to United States.
What is the best time to call Puerto Rico from United States?
Working hours overlap between 09:00 and 18:00 United States time, which is 09:00 to 18:00 in Puerto Rico. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for New York, United States (UTC-4) and San Juan, Puerto Rico (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.