<div dir="auto">I have a talent for continuous change of Indochina time, but it is a Vietnamese document, I have not found the same document in English. Show that the time of Vietnam taking Asia/Bangkok is wrong, because Thai does not apply under this document<div dir="auto"><a href="https://vi.m.wikipedia.org/wiki/Gi%E1%BB%9D_%E1%BB%9F_Vi%E1%BB%87t_Nam">https://vi.m.wikipedia.org/wiki/Giờ_ở_Việt_Nam</a><br></div></div><br><div class="gmail_quote"><div dir="ltr">Vào 0:59, Th 3, 19 thg 2, 2019 Guy Harris <<a href="mailto:guy@alum.mit.edu">guy@alum.mit.edu</a> đã viết:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Feb 18, 2019, at 9:07 AM, KP <<a href="mailto:khaiphan9x@gmail.com" target="_blank" rel="noreferrer">khaiphan9x@gmail.com</a>> wrote:<br>
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> It is possible to link Hanoi to Asia/Ho_Chi_Minh instead of Asia/Bangkok<br>
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...but doing so means that pre-time-zone-unification but post-1970-01-01 00:00:00 UTC dates will not be converted correctly, so it would be incorrect to do so.<br>
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> there is no document saying that North Vietnam accepted Asia/Bangkok as a representative time zone.<br>
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What matters isn't whether they officially accepted it; what matters is whether they, in practice, kept the same time.<br>
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> However, I did not change the idea that Hanoi is the best representative for Vietnam,<br>
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Given that there are, apparently, post-1970-01-01 00:00:00 UTC dates/times where local time differed between locations in what was then North Vietnam and what was then South Vietnam, there isn't a single tzdb region that represents Vietnam, there are two.</blockquote></div>