Time Difference Between Puerto Rico and Eastern Time
As of 31 August 2026, Eastern Time is on the same time as Puerto Rico. That number is not constant. Over the course of a year, because of daylight saving changes, Eastern Time, 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
Eastern Time, United States
0h18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
Eastern Time 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 |
| Eastern Time | 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.
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.
Hour by hour: Puerto Rico to Eastern Time
Every hour of today in Puerto Rico and what it is in Eastern Time. Highlighted rows fall inside Eastern Time working hours (09:00–18:00).
| Puerto Rico | Eastern Time |
|---|---|
| 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 | Eastern Time |
|---|---|
| 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 Eastern Time)
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 Eastern Time)
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, Eastern Time 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 Eastern Time: common questions
What is the time difference between Puerto Rico and Eastern Time?
As of 31 August 2026, Eastern Time is on the same time as Puerto Rico. The gap is not fixed: across the year, Eastern Time 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 Eastern Time?
It is 09:00 AM in Eastern Time, United States. Use the time field in the calculator above to check any other hour.
Is Eastern Time ahead of or behind Puerto Rico?
Neither. Puerto Rico and Eastern Time are currently on the same time, so a meeting at 10:00 happens at 10:00 in both places.
Do Puerto Rico and Eastern Time 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, Eastern Time ranges from 1 hour behind to level with it relative to Puerto Rico.
What is the best time to call Eastern Time from Puerto Rico?
Working hours overlap between 09:00 and 18:00 Puerto Rico time, which is 09:00 to 18:00 in Eastern Time. 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 Eastern Time, United States (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.