What time zone is San Juan, Puerto Rico in?

San Juan, Puerto Rico, Puerto Rico follows the IANA time zone America/Puerto_Rico, currently abbreviated AST (UTC offset UTC−4).

Does San Juan, Puerto Rico observe daylight saving time?

San Juan, Puerto Rico does not change clocks for daylight saving; it stays at UTC−4 all year.

World Clock · Live

7:47 AMSat, Oct 24, 2026

AST · UTC−4America/Puerto_Rico