+++ This bug was initially created as a clone of Bug #503832 +++
Description of problem:
Bangladesh introduces DST 20th Jun.
We need to update tzdata.
tzdata upstream knows about the issue. A patch was proposed, official tarball should appear shortly.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.