diff --git a/bibcheck.py b/bibcheck.py
index 9a40b0f..17e0ccc 100644
--- a/bibcheck.py
+++ b/bibcheck.py
@@ -1,8 +1,11 @@
-import requests
 import bs4
 import configparser
 import urllib.parse
 import mechanize
+import pushover
+import datetime
+
+pushover.init('a5uja274ec5h46paanzjqy5zo1ym6y')
 
 def main():
     br = mechanize.Browser()
@@ -19,8 +22,11 @@ def main():
     table = lentlist.select('table[class="rTable_table"]')[0]
     for entry in table.tbody.select('tr'):
         info = list(map(lambda x: str(x.text).strip(), entry.select('td')))
+        date = datetime.datetime.strptime(info[1], '%d.%m.%Y')
+        delta = date - datetime.datetime.now()
 
-
+        if delta.days <= 10 or delta.days == 20 or delta.days == 15:
+            pushover.Client('u5w9h8gc7hpzvr5a2kh2xh4m9zpidq').send_message('Bitte an {} denken, Abgabe {}'.format(info[3], info[1]), title="Erinnerung")
 
 if __name__ == "__main__":
     main()