diff --git a/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs b/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs
index e60acc8bd..73cfcd68a 100644
--- a/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs
@@ -492,7 +492,7 @@ private static bool CanParticipateInRankedSWSH(PKM pkm, IEncounterTemplate enc)
 
                 if (enc.Version == GameVersion.GO) // Capture date is global time, and not console changeable.
                 {
-                    if (pkm.MetDate >= new DateTime(2022, 2, 1))
+                    if (pkm.MetDate > new DateTime(2022, 9, 1)) // Series 12 end date
                         return false;
                 }
             }