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Time.is

São Tomé and Príncipe changed time zone

2018-01-08

São Tomé and Príncipe changed time zone to West Africa Time (WAT, UTC +1) on 1 January 2018.

São Tomé and Príncipe previously observed Greenwich Mean Time (GMT, UTC +0).

Time in São Tomé and Príncipe now: https://time.is/São_Tomé_and_Príncipe

Sources

IANA Time Zone Database Mailing List
Sao Tome Principe change of time zone
stp-press.st (in Portuguese)
São-Tomé e Príncipe vai mudar hora a partir de 2018

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