diff --git a/agenda/data.py b/agenda/data.py
index ca50927..7789d0c 100644
--- a/agenda/data.py
+++ b/agenda/data.py
@@ -37,8 +37,6 @@ here = dateutil.tz.tzlocal()
 
 next_us_presidential_election = date(2024, 11, 5)
 
-xmas_last_posting_dates = {"first": date(2023, 12, 20), "second": date(2023, 12, 18)}
-
 # deadline to file tax return
 # credit card expiry dates
 # morzine ski lifts
@@ -163,6 +161,18 @@ def combine_holidays(events: list[Event]) -> list[Event]:
     return list(combined.values())
 
 
+def xmas_last_posting(config: configparser.ConfigParser) -> list[Event]:
+    """Last posting days for Christmas."""
+    return [
+        Event(
+            name=f"xmas_last_{key}",
+            date=date.fromisoformat(config["xmas_last_posting_dates"][key]),
+            url="https://www.postoffice.co.uk/last-posting-dates",
+        )
+        for key in ("first", "second")
+    ]
+
+
 async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
     """Get data to display on agenda dashboard."""
     config_filename = os.path.join(os.path.dirname(__file__), "..", "config")
@@ -215,7 +225,6 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
         "mothers_day": uk_holiday.get_mothers_day(today),
         "fathers_day": uk_holiday.get_fathers_day(today),
         "uk_financial_year_end": uk_financial_year_end(last_year, next_year),
-        "xmas_last_posting_dates": xmas_last_posting_dates,
         "gwr_advance_tickets": gwr_advance_tickets,
         "critical_mass": critical_mass(last_year, next_year),
         "market": (
@@ -226,7 +235,7 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
         "rockets": rockets,
     }
 
-    skip = {"now", "gbpusd", "rockets", "stock_markets", "xmas_last_posting_dates"}
+    skip = {"now", "gbpusd", "rockets", "stock_markets"}
     events: list[Event] = []
     for key, value in reply.items():
         if key in skip:
@@ -242,15 +251,6 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
     reply["sunrise"] = sun.sunrise(observer)
     reply["sunset"] = sun.sunset(observer)
 
-    for key, value in xmas_last_posting_dates.items():
-        events.append(
-            Event(
-                name=f"xmas_last_{key}",
-                date=value,
-                url="https://www.postoffice.co.uk/last-posting-dates",
-            )
-        )
-
     events += combine_holidays(bank_holiday + get_us_holidays(last_year, next_year))
 
     my_data = config["data"]["personal-data"]
@@ -259,6 +259,7 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
     events += travel.all_events(config["data"]["personal-data"])
     events += conference.get_list(os.path.join(my_data, "conferences.yaml"))
     events += backwell_bins + bristol_bins
+    events += xmas_last_posting(config)
 
     events += subscription.get_events(os.path.join(my_data, "subscriptions.yaml"))