[tz] question about Asia/Urumqi: why Guangdong PS

Alois Treindl alois at astro.ch
Sun Feb 2 18:25:03 UTC 2014

PS: I have to add: The inclusion on the south-east Guangdong counties 
with Asia/Urumqi comes from the Shanks data, but I still wonder what 
evidence exists for this oddity.

I attach a visualization with Google maps, having used only those towns 
from geonames.org which have one of the China zones, plus a non-zero 
population figure.

Asia/Chongqing	red, label 4
Asia/Harbin	gey, label 1
Asia/Kashgar	light blue, label 5
Asia/Shanghai	yellow, label 3
Asia/Urumqi	light violet, label 2

I also attach the kmz file which can be opened with Google Maps.

On 02.02.14 18:42, Alois Treindl wrote:
> In the commentary for zone   Asia/Urumqi one reads
> # Xin-zang Time ("Xinjiang-Tibet Time")
> # The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai;
> # the Guangdong counties  Xuwen, Haikang, Suixi, Lianjiang,
> # Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi;
> # east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi;
> # east Xinjiang, including Urumqi, Turpan, Karamay, Korla, Minfeng, Jinghe,
> # Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin,
> # Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami,
> # Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan.
> Question: what is the rationale for having the Guangdong counties listed
> for this zone?
> Guangdong is the province around Hongkong, with latitude around 20n and
> longitude around 115e.
> This is geographically very far away from east Tibet and east Xinjiang,
> altitude around 40n and loangitude less than 82e.
> What is the source for listing Guangdong here?
> I presume that this is an error.
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