diff --git a/mealie/schema/_mealie/mealie_model.py b/mealie/schema/_mealie/mealie_model.py
index d46ed11849f..62ff5d3d2ad 100644
--- a/mealie/schema/_mealie/mealie_model.py
+++ b/mealie/schema/_mealie/mealie_model.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import re
 from collections.abc import Sequence
 from datetime import datetime, timezone
 from enum import Enum
@@ -16,6 +17,8 @@
 
 T = TypeVar("T", bound=BaseModel)
 
+HOUR_ONLY_TZ_PATTERN = re.compile(r"[+-]\d{2}$")
+
 
 class SearchType(Enum):
     fuzzy = "fuzzy"
@@ -49,8 +52,7 @@ def fix_hour_only_tz(cls, data: T) -> T:
                     continue
             except AttributeError:
                 continue
-            # this only works for UTC, but we enforce UTC throughout the entire application
-            if val.endswith("+00"):
+            if re.search(HOUR_ONLY_TZ_PATTERN, val):
                 setattr(data, field, val + ":00")
 
         return data