Daylight saving time in Puerto Rico

Puerto Rico does not observe daylight saving time. Clocks in Puerto Rico remain on their standard offset year-round.

Puerto Rico does not change its clocks — it does not observe daylight saving time.

The primary IANA identifier for Puerto Rico is America/Puerto_Rico. Operating systems and APIs use this identifier to compute the correct local time.

Clocks in Puerto Rico do not change — there is no daylight saving time.

Puerto Rico does not observe daylight saving time. Countries that skip DST typically cite simpler scheduling, proximity to the equator, or public preference.

All DST transition dates come from the IANA Time Zone Database (tzdata), which is the authoritative source used by operating systems worldwide. Dates refresh on every IANA release.