diff --git a/krl/io.picolabs.plan.ruleset.krl b/krl/io.picolabs.plan.ruleset.krl
index 8a514dd..0431037 100644
--- a/krl/io.picolabs.plan.ruleset.krl
+++ b/krl/io.picolabs.plan.ruleset.krl
@@ -51,8 +51,8 @@ ruleset io.picolabs.plan.ruleset {
     makeMT = function(ts){
       MST = time:add(ts,{"hours": -7});
       MDT = time:add(ts,{"hours": -6});
-      MDT > "2023-11-05T02" => MST |
-      MST > "2023-03-12T02" => MDT |
+      MDT > "2024-11-03T02" => MST |
+      MST > "2024-03-10T02" => MDT |
                                MST
     }
     ts_format = function(ts){