Time Zone History

Time zone history in Africa

19 zones of the tz database have their reference point in Africa. They use 4 different standard times today; the most common is UTC+2, kept by 7 zones. 2 still change their clocks during the year. 9 used daylight saving time at some point since 1970 and no longer do, most recently in 2026. The record with the most changes of standard time since 1970 is Tripoli, with 6 times.

Every zone, with its clock changes since 1970

The strip shows 1970 to 2028; amber marks years with seasonal clock changes.

ZoneStandard timeClock changes todayNew standard times since 19701970 to 2028
KenyaUTC+3no0
EgyptUTC+2yes0
South AfricaUTC+2no0
South SudanUTC+2no (last 1985)2
SudanUTC+2no (last 1985)2
MozambiqueUTC+2no0
LibyaUTC+2no (last 2013)6
NamibiaUTC+2no (last 2017)0
AlgeriaUTC+1no (last 1980)3
Ceuta, SpainUTC+1yes1
NigeriaUTC+1no0
ChadUTC+1no (last 1980)0
TunisiaUTC+1no (last 2008)0
Côte d’IvoireUTC+0no0
Guinea-BissauUTC+0no1
MoroccoUTC+0no (last 2026)4
Western SaharaUTC+0no (last 2026)3
LiberiaUTC+0no1
São Tomé and PríncipeUTC+0no2