Daylight Saving Time (DST) Not Observed in Year 2017
Santo António (Príncipe) currently observes Greenwich Mean Time (GMT) all year.
Daylight Saving Time has not been used since our records start, in 1970.
DST data from before 1970 is not available for Santo António (Príncipe), Sao Tome and Principe. However, we have earlier DST history for São Tomé, Sao Tome and Principe available.