diff --git a/default.nix b/default.nix
index 1c86187..e973afa 100644
--- a/default.nix
+++ b/default.nix
@@ -44,4 +44,5 @@ in {
   staatsoperette = wrapScript "staatsoperette" ./staatsoperette/scrape.rb;
   tjg-dresden = wrapScript "tjg-dresden" ./tjg-dresden/scrape.rb;
   dresden-kulturstadt = wrapScript "dresden-kulturstadt" ./dresden-kulturstadt/scrape.rb;
+  nabu = wrapScript "nabu" ./nabu/scrape.rb;
 }
diff --git a/nabu/scrape.rb b/nabu/scrape.rb
new file mode 100644
index 0000000..0b36133
--- /dev/null
+++ b/nabu/scrape.rb
@@ -0,0 +1,67 @@
+#!/usr/bin/env ruby
+# coding: utf-8
+
+require 'open-uri'
+require 'nokogiri'
+require 'erb'
+
+def fmt_time t
+  t.strftime "%Y%m%dT%H%M%S"
+end
+
+class Event
+  attr_accessor :title, :url, :location
+  attr_reader :date, :dtstart, :dtend
+
+  def date=(s)
+    if s =~ /(\d{1,2})\.(\d{1,2})\.(\d{4})\s*(\d{1,2}):(\d{1,2})/
+      year = $3.to_i
+      month = $2.to_i
+      day = $1.to_i
+      @dtstart = Time::local year, month, day, $4.to_i, $5.to_i, 0
+      @dtend = @dtstart + 2 * 3600
+    else
+      raise "Invalid date: #{s.inspect}"
+    end
+  end
+end
+
+events = []
+
+url = "https://www.nabu.de/modules/termindb/?suche_hitsmax=50&suche_von_jahr=2022&suche_von_monat=10&suche_von_tag=11&suche_bis_jahr=2023&suche_bis_monat=10&suche_bis_tag=11&reset_current=true&suche_text=&suche_typ=alle&suche_bundesland=alle&suche_verkettung=and&suche_plz=01069&suche_umkreis=20&gs=true&submit_suchen_x=Ergebnisse+anzeigen&reset_current=true&suche_text=&suche_typ=alle&suche_bundesland=alle&suche_verkettung=and&suche_plz=01069&suche_umkreis=20&suche_von_tag=02&suche_von_monat=10&suche_von_jahr=2022&suche_bis_tag=11&suche_bis_monat=10&suche_bis_jahr=2023&suche_hitsmax=50&gs=true&submit_suchen_x=Ergebnisse+anzeigen#"
+doc = Nokogiri::HTML URI.open(url)
+doc.css(".termindb tr").each do |termin|
+  e = Event::new
+
+  time = termin.css(".h2a").first
+  next unless time
+  e.date = time.text.gsub(/\n/, ", ")
+
+  link = termin.css("h3 a").first
+  e.title = link.text
+  e.url = link.attr("href")
+
+  location = termin.css("p").first
+  e.location = location.text.gsub(/\n/, ", ").gsub(/\s{2,}/, " ")
+  events << e
+end
+
+ical = ERB::new <<~EOF
+  BEGIN:VCALENDAR
+  VERSION:2.0
+  METHOD:PUBLISH
+  X-WR-TIMEZONE;VALUE=TEXT:Europe/Berlin
+  <% events.each do |ev| %>
+  BEGIN:VEVENT
+  SUMMARY:<%= ev.title %>
+  DTSTART:<%= fmt_time ev.dtstart %>
+  DTEND:<%= fmt_time ev.dtend %>
+  UID:<%= ev.url %>
+  URL:<%= ev.url %>
+  LOCATION:<%= ev.location %>
+  END:VEVENT
+  <% end %>
+  END:VCALENDAR
+EOF
+
+puts ical.result