diff --git a/.gitignore b/.gitignore
index c18dd8d..c9e9e82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,7 @@
+
+# Program state
+config.py
+calendar.sqlite
+
+# Python
 __pycache__/
diff --git a/google_calendar.py b/google_calendar.py
new file mode 100644
index 0000000..0b6baf1
--- /dev/null
+++ b/google_calendar.py
@@ -0,0 +1,32 @@
+
+import functools
+import requests_cache
+from ical.calendar_stream import IcsCalendarStream
+import datetime
+import logging
+
+logger = logging.getLogger(__name__)
+
+SESSION = requests_cache.CachedSession('calendar')
+
+@functools.cache
+def get_events_for_month(ical_link, today):
+    logger.warning('Downloading ical from Google')
+    response = SESSION.get(ical_link)
+    assert response.status_code == 200
+
+    logger.warning('Loading ical')
+    calendar = IcsCalendarStream.calendar_from_ics(response.text)
+
+    today = datetime.date.today()
+
+    logger.warning('Iterating ical')
+    date = today.replace(day = 1)
+    stuff = []
+    while date.month == today.month:
+        for e in calendar.timeline.on_date(date):
+            stuff.append((date, e))
+
+        date += datetime.timedelta(days = 1)
+    return stuff
+
diff --git a/main.py b/main.py
index 85d01c4..6705a82 100644
--- a/main.py
+++ b/main.py
@@ -1,30 +1,43 @@
 import argparse
 import bottle
+import datetime
+
+import google_calendar
+
+import config
 
 TEMPLATE_INDEX = bottle.SimpleTemplate(name = "templates/index.html")
 
-#
-
-def determine_data():
-    pass
-
 # Template rendering
 
+def last_day_of_month(date):
+    date = date.replace(day = 28) + datetime.timedelta(days = 5)
+    date = date.replace(day = 1)
+    date = date - datetime.timedelta(days = 1)
+    return date
+
+def range_to_render(today):
+    first_day_of_month = today.replace(day = 1)
+    start = first_day_of_month - datetime.timedelta(days = first_day_of_month.weekday())
+    end = last_day_of_month(today)
+    return (start, end)
+
 def render_calendar(events_map, today):
     days = []
-    for day_of_month in range(1, 31 + 1):
-        day_of_week = (day_of_month - 1) % 7 + 1
-        week_of_year = day_of_month // 7 + 1
+    start, end = range_to_render(today)
+    date = start
+    while date <= end:
         days.append({
-            'day_of_month': day_of_month,
-            'day_of_week': day_of_week,
-            'is_weekend': day_of_week == 6 or day_of_week == 7,
-            'week_of_year' : week_of_year,
-            'today': day_of_month == today,
-            'already_past': day_of_month < today,
-            'events': events_map.get(day_of_month, []),
+            'date': date,
+            'is_weekend': date.isoweekday() == 6 or date.isoweekday() == 7,
+            'week_of_year': int(date.strftime('%W')),
+            'days_from_now': (date - today).days,
+            'events': events_map.get(date, []),
         })
-    return TEMPLATE_INDEX.render(days = days)
+        date += datetime.timedelta(days = 1)
+
+    header = today.strftime('%B %Y')
+    return TEMPLATE_INDEX.render(days = days, header = header)
 
 ## Paths
 
@@ -32,16 +45,20 @@ def render_calendar(events_map, today):
 def static(path):
     return bottle.static_file(path, root = './static')
 
+def get_events_map():
+    today = datetime.date.today()
+    events_map = { }
+    for prefix, url in config.ICAL_LINKS.items():
+        for date, event in google_calendar.get_events_for_month(url, today):
+            text = '{}: {}'.format(prefix, event.summary)
+            events_map.setdefault(date, []).append(text)
+            del date, event, text
+
+    return events_map, today
+
 @bottle.route('/')
 def reddit_index():
-    events_map = {
-            15: ['J: Japansk 1'],
-            19: ['J: Spil Fredagsbar', 'L: Datbar'],
-            20: ['JL: Regatta'],
-    }
-
-    today = 19
-
+    events_map, today = get_events_map()
     return render_calendar(events_map, today)
 
 ## Argument parsing
diff --git a/templates/index.html b/templates/index.html
index 74c006a..acc49c5 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -1,12 +1,14 @@
 <!DOCTYPE HTML>
 <html>
 <head>
-    <title>My calendar</title>
+    <title>{{ header }}</title>
     <link href="static/style.css" rel="stylesheet">
+    <!-- TODO:
     <meta http-equiv="refresh" content="60">
+    -->
     </head>
 <body>
-    <h1 class="month-header">August 2022</h1>
+    <h1 class="month-header">{{ header }}</h1>
     <table class="calendar-grid">
         <thead>
             <tr class="week-row">
@@ -23,7 +25,7 @@
         <tbody>
 
 % for day_info in days:
-% if day_info['day_of_week'] == 1:
+% if day_info['date'].isoweekday() == 1:
         </tr><tr class="week-row">
         <td class="week-counter
         ">W{{ day_info['week_of_year'] }}</td>
@@ -32,14 +34,14 @@
 % if day_info['is_weekend']:
     weekend-day
 % end
-% if day_info['already_past']:
+% if day_info['days_from_now'] < 0:
     crossed-out
 % end
         "><div class="day-num
-% if day_info['today']:
+% if day_info['days_from_now'] == 0:
         today
 % end
-        ">{{ day_info['day_of_month'] }}</div>
+        ">{{ day_info['date'].day }}</div>
 % for event_text in day_info['events']:
         <div class="event">{{ event_text }}</div>
 % end