Timezones in Puerto Rico 
Puerto Rico Time Right Now! Find the Current time in Puerto Rico from anywhere in the world. Puerto Rico follows a single official timezone: AST (Atlantic Standard Time, UTC-04:00). This is the standard time observed nationwide.
Puerto Rico
Atlantic Standard Time
Saturday, January 17, 2026
03:21:02 AM
Puerto Rico Timezones According to IANA
The Internet Assigned Numbers Authority (IANA) provides the most widely accepted and standardized timezone database used across the globe. Almost every modern operating system and application relies on IANA data to calculate accurate time differences.
Here, we provide detailed timezone information for Puerto Rico, including UTC offsets, official abbreviations, and their full names. This helps you understand the exact time standard followed in different parts of the country.
| IANA Identifier | Abbreviation | Full Name | UTC Offset |
|---|---|---|---|
| America/Puerto_Rico | AST | Atlantic Standard Time | UTC-04:00 |
Data is sourced from the official IANA Time Zone Database
Top 4 Cities in Puerto Rico
Live local times (updated every second)
| # | City | Local Time | Date | Timezone | Population |
|---|---|---|---|---|---|
| 1 | San Juan San Juan, Puerto Rico | 03:21:02 AM | Sat, Jan 17 | America/Puerto_Rico | 418,140 |
| 2 | Bayamón Bayamón, Puerto Rico | 03:21:02 AM | Sat, Jan 17 | America/Puerto_Rico | 203,499 |
| 3 | Carolina Carolina, Puerto Rico | 03:21:02 AM | Sat, Jan 17 | America/Puerto_Rico | 170,404 |
| 4 | Ponce Ponce, Puerto Rico | 03:21:02 AM | Sat, Jan 17 | America/Puerto_Rico | 137,491 |