diff --git a/agenda/__init__.py b/agenda/__init__.py
index 2f7f67b..21a0a0e 100644
--- a/agenda/__init__.py
+++ b/agenda/__init__.py
@@ -336,6 +336,7 @@ def windmill_hill_market_days(start_date: date) -> list[Event]:
     count = 0
 
     tz = pytz.timezone("Europe/London")
+    t = time(10, 0)
 
     while count < 12:
         # Skip months outside of April to December
@@ -353,7 +354,7 @@ def windmill_hill_market_days(start_date: date) -> list[Event]:
                 Event(
                     name="market",
                     title="Windmill Hill Market",
-                    date=tz.localize(datetime.combine(first_saturday, time(10, 0))),
+                    date=tz.localize(datetime.combine(first_saturday, t)),
                 )
             )
             count += 1