Time Difference Between Eastern Time and Puerto Rico
As of 31 August 2026, Puerto Rico is on the same time as Eastern Time. 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 Eastern Time, United States. The calculator below is always up to date.
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Eastern Time, 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 Eastern Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Eastern Time | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
| Puerto Rico | Monday, August 31, 2026 | ASTAmerica/Puerto_Rico | UTC-4 | Not observed |
Eastern Time: Covers the US East Coast, from New York to Miami to Atlanta. Switches between EST (UTC-5) and EDT (UTC-4) with daylight saving.
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: Eastern Time to Puerto Rico
Every hour of today in Eastern Time and what it is in Puerto Rico. Highlighted rows fall inside Puerto Rico working hours (09:00–18:00).
| Eastern Time | 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 |
| Eastern Time | 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 Eastern Time (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 Eastern Time (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
Eastern Time 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 Eastern Time — 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.
Eastern Time and Puerto Rico: common questions
What is the time difference between Eastern Time and Puerto Rico?
As of 31 August 2026, Puerto Rico is on the same time as Eastern Time. The gap is not fixed: across the year, Puerto Rico ranges from level with it to 1 hour ahead relative to Eastern Time, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Eastern Time, 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 Eastern Time?
Neither. Eastern Time and Puerto Rico are currently on the same time, so a meeting at 10:00 happens at 10:00 in both places.
Do Eastern Time and Puerto Rico observe daylight saving time?
Eastern Time changes its clocks twice a year; Puerto Rico does not. The difference therefore shifts by an hour when Eastern Time switches: across the year, Puerto Rico ranges from level with it to 1 hour ahead relative to Eastern Time.
What is the best time to call Puerto Rico from Eastern Time?
Working hours overlap between 09:00 and 18:00 Eastern Time 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 Eastern Time, United States (UTC-4) and San Juan, Puerto Rico (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.