[tz] [PATCH] tzdata: Asia/Ha_Noi: Add new timezone

[Paul Eggert]

Trần Ngọc Quân wrote:

> About Cambodia and Lao, I recommend remove them. They can use
> Asia/Bangkok instead.

As can north Vietnam, which was the point of the 2nd patch in:

http://mm.icann.org/pipermail/tz/2014-October/021669.html

See its two lines with the string "VN".  With the patch installed, you can run 
the command "tzselect" to see these two lines in action.