diff --git a/web_view.py b/web_view.py
index 1755252..236d27d 100755
--- a/web_view.py
+++ b/web_view.py
@@ -797,8 +797,14 @@ def _timezone_from_coordinates(latitude: float, longitude: float) -> str | None:
     if timezone_finder is None:
         return None
 
-    tz_name = timezone_finder.timezone_at(lng=longitude, lat=latitude)
-    return tz_name if isinstance(tz_name, str) else None
+    for method_name in ("timezone_at", "certain_timezone_at", "closest_timezone_at"):
+        finder_method = getattr(timezone_finder, method_name, None)
+        if not callable(finder_method):
+            continue
+        tz_name = finder_method(lng=longitude, lat=latitude)
+        if isinstance(tz_name, str):
+            return tz_name
+    return None
 
 
 @functools.lru_cache(maxsize=1)