diff --git a/dashboard/src/ha_ext.rs b/dashboard/src/ha_ext.rs
index 97534b1..b777e2d 100644
--- a/dashboard/src/ha_ext.rs
+++ b/dashboard/src/ha_ext.rs
@@ -79,7 +79,7 @@ impl From<&HassEntity> for DateTimeData {
         if let Ok(datetime) =
             chrono::NaiveDateTime::parse_from_str(&value.state, "%Y-%m-%dT%H:%M:%S")
         {
-            data.date = datetime.format("%a %m %b").to_shared_string();
+            data.date = datetime.format("%a %d %b").to_shared_string();
             data.time = datetime.format("%H:%M").to_shared_string();
         }