São Tomé and Príncipe: plugs, voltage, currency, time & travel facts

Plugs and voltage

São Tomé and Príncipe uses Types C and F sockets. Mains supply is 220 V at 50 Hz.

At 220 V, devices made only for 100–127 V (many American and Japanese hair dryers, curling irons and some shavers) will be damaged without a step-down converter. Chargers labelled “100–240V” work fine with just a plug adapter.

Money

Db São Tomé & Príncipe Dobra STN

Average in 2025: 1 USD = 21.75 STN (World Bank). No daily reference rate is published for this currency by the ECB; check a live rate before exchanging.

Price level 68 (US = 100, 2025)

Everyday household prices in São Tomé and Príncipe are about 68% of US prices when converted at market exchange rates: dearer than the median country (50). All countries

Language

Portugueseofficial85%

Bars show the share of the population that speaks each language (CLDR estimates).

Time

UTC+0

São Tomé and Príncipe is on UTC+0, with no daylight saving time.

Driving

Traffic in São Tomé and Príncipe drives on the right, so the steering wheel is on the left.

Public holidays in the next 12 months

10 national public holidays from 2 November 2026. Banks, offices and many shops close; regional holidays are not shown. Dates marked “estimated” follow a lunar calendar and can move by a day.