Added timezone IST: Indian Standard Time.

lib/python/DateTime/DateTime.py

@@ -12,7 +12,7 @@
 ##############################################################################
 """Encapsulation of date/time values"""
 
-__version__='$Revision: 1.94 $'[11:-2]
+__version__='$Revision: 1.95 $'[11:-2]
 
 
 import os, re, math,  DateTimeZone
@@ -244,7 +244,7 @@ class _cache:
            'bt':'GMT+3', 'zp4':'GMT+4', 'zp5':'GMT+5', 'zp6':'GMT+6',
            'wast':'GMT+7', 'cct':'GMT+8', 'jst':'GMT+9', 'east':'GMT+10',
            'gst':'GMT+10', 'nzt':'GMT+12', 'nzst':'GMT+12', 'idle':'GMT+12',
-           'ret':'GMT+4'
+           'ret':'GMT+4', 'ist': 'GMT+0530'
            }
 
     def __init__(self):