Windows PostgreSQL Update Timezone Data
Today PostgreSQL released new minor versions.
In these versions timezone datas updated to 2016h.

Released versions;


9.6.1
9.5.5
9.4.10
9.3.15
9.2.19


Also you don't have to upgrade your installation.

You can move new timezone datas to your installation and restart the service.
It's all done.
It's worth the wait.