diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index 4645f3c573d..bb817a593c8 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -318,7 +318,7 @@
 @ stdcall GetAuditedPermissionsFromAclW(ptr ptr ptr ptr)
 @ stdcall GetCurrentHwProfileA(ptr)
 @ stdcall GetCurrentHwProfileW(ptr)
-# @ stub GetDynamicTimeZoneInformationEffectiveYears
+@ stdcall GetDynamicTimeZoneInformationEffectiveYears(ptr ptr ptr) kernel32.GetDynamicTimeZoneInformationEffectiveYears
 @ stdcall GetEffectiveRightsFromAclA(ptr ptr ptr)
 @ stdcall GetEffectiveRightsFromAclW(ptr ptr ptr)
 # @ stub GetEncryptedFileMetadata
diff --git a/dlls/api-ms-win-core-timezone-l1-1-0/api-ms-win-core-timezone-l1-1-0.spec b/dlls/api-ms-win-core-timezone-l1-1-0/api-ms-win-core-timezone-l1-1-0.spec
index b45287913fe..3e38d705966 100644
--- a/dlls/api-ms-win-core-timezone-l1-1-0/api-ms-win-core-timezone-l1-1-0.spec
+++ b/dlls/api-ms-win-core-timezone-l1-1-0/api-ms-win-core-timezone-l1-1-0.spec
@@ -1,7 +1,7 @@
 @ stub EnumDynamicTimeZoneInformation
 @ stdcall FileTimeToSystemTime(ptr ptr) kernel32.FileTimeToSystemTime
 @ stdcall GetDynamicTimeZoneInformation(ptr) kernel32.GetDynamicTimeZoneInformation
-@ stub GetDynamicTimeZoneInformationEffectiveYears
+@ stdcall GetDynamicTimeZoneInformationEffectiveYears(ptr ptr ptr) kernel32.GetDynamicTimeZoneInformationEffectiveYears
 @ stdcall GetTimeZoneInformation(ptr) kernel32.GetTimeZoneInformation
 @ stdcall GetTimeZoneInformationForYear(long ptr ptr) kernel32.GetTimeZoneInformationForYear
 @ stub SetDynamicTimeZoneInformation
diff --git a/dlls/kernel32/kernel32.spec b/dlls/kernel32/kernel32.spec
index de6f0079998..3060896daa4 100644
--- a/dlls/kernel32/kernel32.spec
+++ b/dlls/kernel32/kernel32.spec
@@ -657,6 +657,7 @@
 # @ stub GetDurationFormat
 # @ stub GetDurationFormatEx
 @ stdcall GetDynamicTimeZoneInformation(ptr)
+@ stdcall GetDynamicTimeZoneInformationEffectiveYears(ptr ptr ptr)
 @ stdcall -ret64 -arch=i386,x86_64 GetEnabledXStateFeatures()
 @ stdcall GetEnvironmentStrings() GetEnvironmentStringsA
 @ stdcall GetEnvironmentStringsA()
diff --git a/dlls/kernel32/time.c b/dlls/kernel32/time.c
index 91b2c006c7c..57ad10d2346 100644
--- a/dlls/kernel32/time.c
+++ b/dlls/kernel32/time.c
@@ -1447,6 +1447,15 @@ DWORD WINAPI GetDynamicTimeZoneInformation(DYNAMIC_TIME_ZONE_INFORMATION *tzinfo
     return TIME_ZoneID( (TIME_ZONE_INFORMATION*)tzinfo );
 }
 
+/***********************************************************************
+ *           GetDynamicTimeZoneInformationEffectiveYears   (KERNEL32.@)
+ */
+DWORD WINAPI GetDynamicTimeZoneInformationEffectiveYears(DYNAMIC_TIME_ZONE_INFORMATION *tzinfo, DWORD *first_year, DWORD *last_year)
+{
+    FIXME("(%p, %p, %p): stub!\n", tzinfo, first_year, last_year);
+    return ERROR_FILE_NOT_FOUND;
+}
+
 /***********************************************************************
  *           QueryProcessCycleTime   (KERNEL32.@)
  */
diff --git a/dlls/kernelbase/kernelbase.spec b/dlls/kernelbase/kernelbase.spec
index fb7fafe47bb..cae825defdf 100644
--- a/dlls/kernelbase/kernelbase.spec
+++ b/dlls/kernelbase/kernelbase.spec
@@ -487,7 +487,7 @@
 @ stdcall GetDriveTypeW(wstr) kernel32.GetDriveTypeW
 # @ stub GetDurationFormatEx
 @ stdcall GetDynamicTimeZoneInformation(ptr) kernel32.GetDynamicTimeZoneInformation
-# @ stub GetDynamicTimeZoneInformationEffectiveYears
+@ stdcall GetDynamicTimeZoneInformationEffectiveYears(ptr ptr ptr) kernel32.GetDynamicTimeZoneInformationEffectiveYears
 # @ stub GetEffectivePackageStatusForUser
 # @ stub GetEightBitStringToUnicodeSizeRoutine
 # @ stub GetEightBitStringToUnicodeStringRoutine