diff --git a/CHANGES b/CHANGES
index 137f684..888eb55 100644
--- a/CHANGES
+++ b/CHANGES
@@ -9,6 +9,7 @@ Installation:
 Lib/
 * LDAPObject.unbind_ext() now removes class attribute
   LDAPObject._l to completely invalidate C wrapper object
+* added functions ldap.strf_secs() and ldap.strp_secs()
 
 Modules/
 * Fixed #69 Segmentation fault on whoami_s after unbind 
@@ -1260,4 +1261,4 @@ Released 2.0.0pre02 2002-02-01
 ----------------------------------------------------------------
 Released 1.10alpha3 2000-09-19
 
-$Id: CHANGES,v 1.379 2016/04/07 20:22:17 stroeder Exp $
+$Id: CHANGES,v 1.380 2016/07/17 15:12:58 stroeder Exp $
diff --git a/Lib/ldap/__init__.py b/Lib/ldap/__init__.py
index ef106be..0cb29f1 100644
--- a/Lib/ldap/__init__.py
+++ b/Lib/ldap/__init__.py
@@ -3,7 +3,7 @@
 
 See http://www.python-ldap.org/ for details.
 
-$Id: __init__.py,v 1.103 2016/01/26 10:43:24 stroeder Exp $
+$Id: __init__.py,v 1.104 2016/07/17 15:12:58 stroeder Exp $
 """
 
 # This is also the overall release version number
@@ -82,7 +82,7 @@ def release(self):
 # Create module-wide lock for serializing all calls into underlying LDAP lib
 _ldap_module_lock = LDAPLock(desc='Module wide')
 
-from functions import open,initialize,init,get_option,set_option,escape_str
+from functions import open,initialize,init,get_option,set_option,escape_str,strf_secs,strp_secs
 
 from ldapobject import NO_UNIQUE_ENTRY
 
diff --git a/Lib/ldap/functions.py b/Lib/ldap/functions.py
index 8ba0130..3e04744 100644
--- a/Lib/ldap/functions.py
+++ b/Lib/ldap/functions.py
@@ -3,7 +3,7 @@
 
 See http://www.python-ldap.org/ for details.
 
-\$Id: functions.py,v 1.31 2015/06/06 09:21:37 stroeder Exp $
+\$Id: functions.py,v 1.32 2016/07/17 15:12:58 stroeder Exp $
 
 Compability:
 - Tested with Python 2.0+ but should work with Python 1.5.x
@@ -27,7 +27,8 @@
   'escape_str',
 ]
 
-import sys,pprint,_ldap,ldap
+import sys,pprint,time,_ldap,ldap
+from calendar import timegm
 
 from ldap import LDAPError
 
@@ -140,3 +141,17 @@ def escape_str(escape_func,s,*args):
   """
   escape_args = map(escape_func,args)
   return s % tuple(escape_args)
+
+
+def strf_secs(secs):
+    """
+    Convert seconds since epoch to a string compliant to LDAP syntax GeneralizedTime
+    """
+    return time.strftime('%Y%m%d%H%M%SZ', time.gmtime(secs))
+
+
+def strp_secs(dt_str):
+    """
+    Convert LDAP syntax GeneralizedTime to seconds since epoch
+    """
+    return timegm(time.strptime(dt_str, '%Y%m%d%H%M%SZ'))