One clock for the whole country, and it stays on UTC−4 every day of the year.
Puerto Rico at a glance
| Capital | San Juan |
|---|---|
| UTC offsets | UTC−4 |
| IANA time zones | 1 |
| Daylight saving time | Not observed |
| Abbreviations in use | AST |
Which time zone Puerto Rico uses
Puerto Rico uses a single IANA time zone, America/Puerto_Rico.
| Time zone | Time now | UTC offset | Daylight saving time | Main cities |
|---|---|---|---|---|
| America/Puerto_Rico | --:-- | UTC−4 | Not observed | San Juan, Bayamón, Carolina |
Daylight saving time in Puerto Rico
Puerto Rico does not use daylight saving time, and the tz database records none since 1970.
Current time in cities in Puerto Rico
| City | Region | Time now | Time zone |
|---|---|---|---|
| San Juan | San Juan | --:-- | America/Puerto_Rico |
Time difference between Puerto Rico and other countries
A 9:00 AM start in Puerto Rico is 1:00 PM in London, 12:00 AM (next day) in Sydney and 5:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 1 h behind | 1 h behind | Same time |
| Los Angeles (United States) | --:-- | 4 h behind | 4 h behind | 3 h behind |
| London (United Kingdom) | --:-- | 4 h ahead | 4 h ahead | 5 h ahead |
| Paris (France) | --:-- | 5 h ahead | 5 h ahead | 6 h ahead |
| Dubai (United Arab Emirates) | --:-- | 8 h ahead | 8 h ahead | 8 h ahead |
| Mumbai (India) | --:-- | 9 h 30 min ahead | 9 h 30 min ahead | 9 h 30 min ahead |
| Singapore | --:-- | 12 h ahead | 12 h ahead | 12 h ahead |
| Tokyo (Japan) | --:-- | 13 h ahead | 13 h ahead | 13 h ahead |
| Sydney (Australia) | --:-- | 15 h ahead | 15 h ahead | 14 h ahead |
| UTC | --:-- | 4 h ahead | 4 h ahead | 4 h ahead |
Daylight across Puerto Rico
Days in San Juan last between 11 hours 1 minute and 13 hours 14 minutes over the year.
Same clock as Puerto Rico right now
These countries read the same time as Puerto Rico today. Those marked with daylight saving time will drift away when their clocks change.
- Aruba
- Barbados
- Bolivia
- Curaçao
- Dominican Republic
- Grenada
- Guadeloupe
- Guyana
- Martinique
- St. Lucia
- Trinidad and Tobago
- Venezuela
Plan around the time in Puerto Rico
- Convert a time to or from Puerto Rico: pick a date and time and see it in every city on your list.
- Add San Juan to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Puerto Rico and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
How many time zones does Puerto Rico have?
One: America/Puerto_Rico, at UTC−4 all year.
Does Puerto Rico use daylight saving time?
No. The time stays at UTC−4 all year.
What is the time difference between Puerto Rico and London?
Puerto Rico is 4 hours behind London in January and 5 hours behind London in July, because London moves its clocks for daylight saving time and Puerto Rico does not.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.