diff --git a/src/timezone/tznames/Default b/src/timezone/tznames/Default
index 1369f47bfbb..cf3396cd92f 100644
--- a/src/timezone/tznames/Default
+++ b/src/timezone/tznames/Default
@@ -615,6 +615,9 @@ EETDST  10800 D  # East-Egypt Summertime
                  #     (Europe/Uzhgorod)
                  #     (Europe/Vilnius)
                  #     (Europe/Zaporozhye)
+FET     10800    # Further-eastern European Time
+                 #     (Europe/Kaliningrad)
+                 #     (Europe/Minsk)
 MEST     7200 D  # Middle Europe Summer Time (not in zic)
 MET      3600    # Middle Europe Time (not in zic)
 METDST   7200 D  # Middle Europe Summer Time (not in zic)
diff --git a/src/timezone/tznames/Europe.txt b/src/timezone/tznames/Europe.txt
index 88abeccaab8..6798ae4e202 100644
--- a/src/timezone/tznames/Europe.txt
+++ b/src/timezone/tznames/Europe.txt
@@ -154,6 +154,9 @@ EETDST  10800 D  # East-Egypt Summertime
                  #     (Europe/Uzhgorod)
                  #     (Europe/Vilnius)
                  #     (Europe/Zaporozhye)
+FET     10800    # Further-eastern European Time
+                 #     (Europe/Kaliningrad)
+                 #     (Europe/Minsk)
 GMT         0    # Greenwich Mean Time
                  #     (Africa/Abidjan)
                  #     (Africa/Bamako)