diff --git a/web_view.py b/web_view.py
index 4ceaeb2..96c3457 100755
--- a/web_view.py
+++ b/web_view.py
@@ -242,11 +242,6 @@ def travel_list() -> str:
     )
 
 
-def as_date(d: date | datetime) -> date:
-    """Date of event."""
-    return d.date() if isinstance(d, datetime) else d
-
-
 def build_conference_list() -> list[StrDict]:
     """Build conference list."""
     data_dir = app.config["PERSONAL_DATA"]
@@ -260,8 +255,8 @@ def build_conference_list() -> list[StrDict]:
             conference_trip_lookup[key] = trip
 
     for conf in items:
-        conf["start_date"] = as_date(conf["start"])
-        conf["end_date"] = as_date(conf["end"])
+        conf["start_date"] = agenda.utils.as_date(conf["start"])
+        conf["end_date"] = agenda.utils.as_date(conf["end"])
 
         price = conf.get("price")
         if price: