diff --git a/africa b/africa
index 285688d..429f783 100644
--- a/africa
+++ b/africa
@@ -455,9 +455,9 @@ Zone	Africa/Cairo	2:05:09 -	LMT	1900 Oct
 # This Ordinance abolished DST.
 
 # Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
-Rule	Ghana	1920	only	-	Nov	24	0:00	0:20	+0020
+Rule	Ghana	1919	only	-	Nov	24	0:00	0:20	+0020
 Rule	Ghana	1920	1946	-	Jan	 1	2:00	0	GMT
-Rule	Ghana	1921	1939	-	Sep	 1	2:00	0:20	+0020
+Rule	Ghana	1920	1939	-	Sep	 1	2:00	0:20	+0020
 Rule	Ghana	1940	1945	-	May	 1	2:00	0:20	+0020
 Rule	Ghana	1950	1955	-	Sep	 1	2:00	0:30	+0030
 Rule	Ghana	1951	1956	-	Jan	 1	2:00	0	GMT