Time Zone History

Cape Verde time zone history

Cape Verde kept local mean time (UTC−1:34:04) until 1912, the second-latest switch of the 8 zones on Atlantic islands. On standard time, clocks in Cape Verde run 34 minutes ahead of local mean solar time.

UTC−1

Standard time is UTC−1 all year under the current rules.

tz database name Atlantic/Cape_Verde

Convert a time from Cape Verde

Once a new standard time since 1970

UTC−2: 1 hour behind today’s standard timeUTC−1:34:04: 34 minutes behind today’s standard timeUTC−1: today’s standard timeUTC−2: 1 hour behind today’sstandard timeUTC−1:34:04: 34 minutes behindtoday’s standard timeUTC−1: today’s standard time

How to read this chart

Before 1970

190019201940196019001940
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
January 1, 1912Local mean time (UTC−1:34:04) replacedUTC−2numeric only
Since 1970
November 25, 1975Standard time forward 1 hourUTC−1numeric only

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
1942September 1not that year1 hour
1945not that yearOctober 151 hour

Also on UTC−1

Azores (Portugal).

Clocks next door since 1970

  • Guinea-Bissau (923 km): usually 1 hour ahead; different on 328 days in 1975.
  • Canary Islands (Spain) (1,688 km): usually 2 hours ahead; different on 9,124 days in 1975–2026; 1 hour ahead today.
  • Liberia (1,688 km): usually 1 hour ahead; different on 2,154 days in 1970–1975.
  • Western Sahara (1,729 km): usually 1 hour ahead; different on 4,580 days in 1975–1978 and 2008–2026.
  • Madeira (Portugal) (2,080 km): usually 2 hours ahead; different on 9,488 days in 1975–2026; 1 hour ahead today.