[tz] [IANA #985615] Sudan Time Zone change

Zhouyuxiang zhouyuxiang.zhou at huawei.com
Fri Nov 3 01:09:55 UTC 2017


Dears,
I'm not that sure. But I guess this is same problem as mine([time zone problem about 2017c] (Zefram)).
This just happen in Android system now. Because the tzcode2017c.tar.gz has one error.
external\icu\tools\update-tzdata.py
Android use this script to update the tz data from IANA via internet.

But africa file and backzone file have a duplicated data that made the update script error:
# South Sudan
Zone      Africa/Juba         2:06:24 -               LMT       1931
                                                2:00        Sudan   CA%sT  2000 Jan 15 12:00
                                                3:00        -              EAT
So android device could not update the time zone data normally.
I deleted one in backzone, then it worked in local.
And Zefram told me "No one noticed in advance of release because few people use 'backzone'".
So I infer that the old phone and ios system will not use backzone data, so they could update normally.
I think you have two way to solve this problem.
1.Wait IANA modify the "backzone" data, so the internet updating could work.
2.Let Android device Manufacturers do this update themselves:
  a. Delete the duplicated data as I did.
  b. Modify the update-tzdata.py to update time zone data without internet.

----------------------------------------------------------------------

Message: 1
Date: Thu, 2 Nov 2017 11:19:09 +0000
From: Mohammed Elsir Osman Alebeid <Mohammed.ElsirOsman at sd.zain.com>
To: "eggert at cs.ucla.edu" <eggert at cs.ucla.edu>
Cc: Ali Boosh <Ali.Boosh at sd.zain.com>,	"itisalat at ntc.gov.sd"
	<itisalat at ntc.gov.sd>,	"abdin at ntc.gov.sd" <abdin at ntc.gov.sd>,
	"nadir at ntc.gov.sd" <nadir at ntc.gov.sd>,	"tz at iana.org" <tz at iana.org>,
	Nizar Musa <Nizar.Musa at sd.zain.com>,	"abdelhafiz at ntc.gov.sd"
	<abdelhafiz at ntc.gov.sd>,	Ahmed Ali Ahmed Ali
	<Ahmed.Ahmedali at sd.zain.com>,	"yahia at ntc.gov.sd" <yahia at ntc.gov.sd>,
	Mugahed Bakri Mohammed Alhag <Mugahed.Bakri at sd.zain.com>,	Ahmed
	Ibrahim Ahmed Abdelkareem <Ahmed.AbdElkareem at sd.zain.com>, Badr Eldin
	Abdalla Mohamed Nour <Badr.Nour at sd.zain.com>,	Faisal El Muftah
	<Faisal.Nourelhuda at sd.zain.com>
Subject: Re: [tz] [IANA #985615] Sudan Time Zone change
Message-ID:
	<BE1CCE5C566B134083665B1FF5684AE58BCDD6E4 at sr-ark-mbxb.sd.zain.com>
Content-Type: text/plain; charset="utf-8"

Dear Eggert,

This is Mohammed Elsir from Zain, the first mobile operator in Sudan. Actually our mobile network sends the correct time zone which is GMT+2 as seen in below trace.

[cid:image015.png at 01D353DB.A197A6D0]

The thing is that some devices such as most of feature/legacy/old phones accept the sent time zone and change time correctly. But some Android device such as Samsung, Huawei, Lenovo and part of HTC reject the provided time zone and display the time zone based on lookup table inside the handset. Below is an example from Lenovo P2.

[cid:image016.png at 01D353DB.A197A6D0]

Some Handset manufactures such as apple sent messages over the internet asking for handset restart to get the new time zone. Below is an examples.

[cid:image003.png at 01D353DD.1DA00320]

I do appreciate your kind support to contact Android handset manufactures such as Samsung, Huawei and Lenovo asking them about


1.       Why their handsets reject the network provided time zone.

2.       How can they solve this issue?

Should you need further discussion I am available on Skype @ mohammed_elsir_64 or WhatsApp @ +249912311500. Just let me know the appropriate time for you to discuss further.

Thanks in advance for your kind support.

Best Regards,
Mohammed Elsir
M.Sc., PMP,ITIL-SO

From: Ahmed Ali Ahmed Ali
Sent: Wednesday, November 01, 2017 8:18 PM
To: Ahmed Ibrahim Ahmed Abdelkareem <Ahmed.AbdElkareem at sd.zain.com>; Mohammed Elsir Osman Alebeid <Mohammed.ElsirOsman at sd.zain.com>; Mugahed Bakri Mohammed Alhag <Mugahed.Bakri at sd.zain.com>
Cc: Faisal El Muftah <Faisal.Nourelhuda at sd.zain.com>; Nizar Musa <Nizar.Musa at sd.zain.com>; Ali Boosh <Ali.Boosh at sd.zain.com>; Badr Eldin Abdalla Mohamed Nour <Badr.Nour at sd.zain.com>
Subject: Fwd: [tz] [IANA #985615] Sudan Time Zone change

Dears,

Please check the below feedback from IANA

Thanks,


Sent from Samsung Mobile
-------- Original message --------
From: ahmed.atyya at ntc.gov.sd<mailto:ahmed.atyya at ntc.gov.sd>
Date:11/01/2017 20:19 (GMT+03:00)
To: Faisal El Muftah , Ahmed Ali Ahmed Ali , Regulatory , Hiba Abbas Yousif Eltigani , Mohamed Gaafar Ibrahim Bashir Corporate Services - MTN - Sudan , Nafisa Mahmoud Karamalla Corporate Services - MTN - Sudan , Mohammed Abdelraheem Abdelmagid Elkhalifa , Munir Taha Elkabashi Hassan Elfaki
Cc: abdelhafiz , Afaf Nijomi , yahia , mohamed elhaj
Subject: Fwd: [tz] [IANA #985615] Sudan Time Zone change

Dears

Please find below email from IANA

for your kind revision to find the way out;

we will also discuss the proposal of Sudan Embassy

regards

Ahmed Atyya



----- Forwarded Message -----
From: "Paul Eggert" <eggert at cs.ucla.edu<mailto:eggert at cs.ucla.edu>>
To: "ahmed atyya" <ahmed.atyya at ntc.gov.sd<mailto:ahmed.atyya at ntc.gov.sd>>
Cc: "yahia" <yahia at ntc.gov.sd<mailto:yahia at ntc.gov.sd>>, "Matt Johnson" <mj1856 at hotmail.com<mailto:mj1856 at hotmail.com>>, "Time Zone Mailing List" <tz at iana.org<mailto:tz at iana.org>>, "itisalat" <itisalat at ntc.gov.sd<mailto:itisalat at ntc.gov.sd>>, "abdin" <abdin at ntc.gov.sd<mailto:abdin at ntc.gov.sd>>, "nadir" <nadir at ntc.gov.sd<mailto:nadir at ntc.gov.sd>>, "abdelhafiz" <abdelhafiz at ntc.gov.sd<mailto:abdelhafiz at ntc.gov.sd>>
Sent: Wednesday, November 1, 2017 7:57:00 PM
Subject: Re: [tz] [IANA #985615] Sudan Time Zone change

On 11/01/2017 01:35 AM, ahmed.atyya at ntc.gov.sd<mailto:ahmed.atyya at ntc.gov.sd> wrote:
> With respect to the topic, please be updated that the change was 
> applied successfully, Apple handsets did the update automatically but Android handsets didn?t.

In what sense didn't they change? My Android phone's time zone menu has entries for Cairo, Harare, and Nairobi, but not for Khartoum. If it is a matter of the user's time zone settings, users need to change from (say) Nairobi time to Cairo time. On the other hand, if it is a matter of the time zone supplied from the cellular service company, then this is something for your local cell company to address.

> We kindly request to communicate with Google in order to update 
> Android OS with the changes for the handsets take the time automatically.

As I understand it, Google engineers monitor this mailing list and so already know about the time zone change.

There is a gap between the time that Google releases software updates, and the time that phones actually change. For example, even though I have a Google Nexus 6P phone and live in the United States, my phone is well behind Google's release schedule: it upgraded over-the-air to Android 8.0 Oreo only last night, even though Oreo was released on August 21 *. Other manufacturers' Android phones are even slower to update. This underscores the importance of governments announcing time zone changes well in advance: we currently recommend one years' advance notice.

When other countries have run into similar problems, they've had some luck by contacting the U.S. State Department and asking for its help in adjusting the priorities of commercial providers. I suggest that you contact the U.S. Deputy Chief of Mission in Sudan and ask for his advice for how to proceed. See:

https://sd.usembassy.gov/our-relationship/dcm/

https://sd.usembassy.gov/embassy/khartoum/offices-departments/public-affairs/

 From what you tell me, though, the problem is likely to involve the protocols used by your local cellular service providers (that is, the problem may not be in Android at all), so they'll need to be in contact with their suppliers too.

 [cid:image001.png at 01D353B6.A6960840]
Ahmed Ahmedali
Market Power & Competition Advance Specialist Zain SD Al Mogran, Zain Building Al Ghaba Street P.O Box: 13588 Khartoum Sudan Mobile : +249912398071 Email : Ahmed.Ahmedali at sd.zain.com<mailto:Ahmed.Ahmedali at sd.zain.com>
Web : www.zain.com<http://www.zain.com>

[cid:image005.jpg at 01D353DD.1DA00320]<https://twitter.com/ZainSudan> [cid:image007.jpg at 01D353DD.1DA00320] <https://facebook.com/ZainSudan/?fref=ts>  [cid:image009.jpg at 01D353DD.1DA00320] <https://plus.google.com/110542740934974723351>  [cid:image011.jpg at 01D353DD.1DA00320] <https://instagram.com/zainsudan/>  [cid:image013.jpg at 01D353DD.1DA00320] <https://linkedin.com/company/3224878?trk=tyah&trkInfo=clickedVertical%3Acompany%2CclickedEntityId%3A3224878%2Cidx%3A2-1-4%2CtarId%3A1450011212185%2Ctas%3Azain%20sudan>  [cid:image023.png at 01D353DD.1DA00320] <https://youtube.com/user/ZainSudanTV>


[cid:image014.png at 01D353B6.A6960840]

 [cid:image2acf2f.BMP at a4b5ec2d.4c95cc79]
Mohammed Elsir Osman
CT Infrastructure Operation Team Leader
Zain SD
Al Mogran, Zain Building
Al Ghaba Street
P.O Box: 13588 Khartoum
Sudan
Mobile : ++249912311500
Office : +24990001-3256
Email : Mohammed.ElsirOsman at sd.zain.com
Web : www.zain.com

[cid:image1d8d7d.PNG at e9fa88a4.43aeded8]<https://twitter.com/ZainSudan> [cid:imaged5af34.PNG at 146f7ddf.4e95af19] <https://facebook.com/ZainSudan/?fref=ts>  [cid:image95f784.PNG at eb17dd26.4eb485d3] <https://plus.google.com/110542740934974723351>  [cid:imageb1c854.JPG at 2f1af4fa.4680f52e] <https://instagram.com/zainsudan/>  [cid:imagead7fe1.PNG at 0e87976d.42b9ff22] <https://linkedin.com/company/3224878?trk=tyah&trkInfo=clickedVertical%3Acompany%2CclickedEntityId%3A3224878%2Cidx%3A2-1-4%2CtarId%3A1450011212185%2Ctas%3Azain%20sudan>  [cid:image108d42.PNG at d8c0b630.439783e1] <https://youtube.com/user/ZainSudanTV>



[cid:image400fba.PNG at 9f5f39e1.45ab1906]
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