No DST
1970 - 2030
| No further time changes in 2024 in San Ildefonso |
Daylight Saving Time (DST) Not Observed in Year 2024
Puerto Rico currently observes Atlantic Standard Time (AST) all year.
Daylight Saving Time has not been used since our records start, in 1970.
DST data from before 1970 is not available for San Ildefonso, Puerto Rico. However, we have earlier DST history for San Juan, Puerto Rico available.