Update src/enlyze/validators.py

Co-authored-by: Mohamed Attia <[email protected]>

src/enlyze/validators.py

@@ -41,7 +41,7 @@ def validate_start_and_end(start: datetime, end: datetime) -> tuple[datetime, da
 
     start = _ensure_datetime_aware(start)
     end = _ensure_datetime_aware(end)
-    if start > end:
+    if start >= end:
         raise EnlyzeError("Start must be earlier than end.")
     return start, end