--- /dev/null
+require 'tzinfo/timezone_definition'
+
+module TZInfo
+ module Definitions
+ module Asia
+ module Kolkata
+ include TimezoneDefinition
+
+ timezone 'Asia/Kolkata' do |tz|
+ tz.offset :o0, 21208, 0, :LMT
+ tz.offset :o1, 21200, 0, :HMT
+ tz.offset :o2, 23400, 0, :BURT
+ tz.offset :o3, 19800, 0, :IST
+ tz.offset :o4, 19800, 3600, :IST
+
+ tz.transition 1879, 12, :o1, 26003324749, 10800
+ tz.transition 1941, 9, :o2, 524937943, 216
+ tz.transition 1942, 5, :o3, 116663723, 48
+ tz.transition 1942, 8, :o4, 116668957, 48
+ tz.transition 1945, 10, :o3, 116723675, 48
+ end
+ end
+ end
+ end
+end