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Time in Puerto Rico

Current official time in Puerto Rico, updated every second.

Sunday, November 8, 2026

Atlantic Standard Time · UTC−4

Checking the exact time…

Difference from your time
—
UTC offset
UTC−4 · AST
Time zone
Atlantic Standard Time
America/Puerto_Rico
Daylight saving time
Not observed
Sunrise
06:27
Sunset
17:48 (11 h 21 min)
Difference from London
−4 h

Time in cities in Puerto Rico

Official time in Puerto Rico

Puerto Rico has a single time zone (Atlantic Standard Time, UTC−4). The whole territory shares the same time, which is the one shown on the clock on this page.

San Juan does not observe daylight saving time: the time is UTC−4 all year round.

The time is calculated using the official IANA time zone database (version 2026.1), the same one used by operating systems and mobile phones, and it is synchronized with our server clock to correct any drift on your device.

How to use the clock

  1. Check the time: the large clock updates itself every second and also shows the date and the time zone.
  2. Find any place: type the name of a city or a country in the search box at the top and pick a result.
  3. Compare times: “Difference from your time” tells you how many hours apart the place is from your current time zone.
  4. Customize the view: choose the 12- or 24-hour format and whether to show seconds. Your choice, like normal or dark mode, is saved in your browser.
  5. Build your world clock: on the home page you can add or remove cities from your list; it will be remembered next time.
  6. Share the result with the Facebook, WhatsApp, X or Telegram buttons, or copy the link.

Frequently asked questions

What time is it now in Puerto Rico?

The current time in Puerto Rico is shown on the clock at the top of this page and updates every second. In San Juan, the time zone currently in effect is: Atlantic Standard Time (UTC−4).

How many time zones does Puerto Rico have?

Puerto Rico has a single time zone (Atlantic Standard Time, UTC−4), so the time is the same throughout the territory.

Do the clocks change in Puerto Rico?

San Juan does not observe daylight saving time: the time is UTC−4 all year round.

What is the time difference between Puerto Rico and London?

Right now the time difference between San Juan and London is −4 h. It may vary at certain times of the year if only one of the two places observes daylight saving time or if they change on different dates.

How do I know the time difference between Puerto Rico and where I am?

On this page, “Difference from your time” is calculated automatically using the time zone set on your device, so you do not need to work anything out.