Yeah but the absolute rollover time is largely irrelevant.
Consider 2 digit date systems, if I was manufactured in 2025, I would assume a 
clock year of 25 to 99 is 2025-2099, and 00 to 24 is 2100 to 2124, as it's 
impossible for it to be before the manufacturing/firmware date.

Same with the week count here. If the firmware on the clock was from 2016 or 
before, it would assume the current week number is in 2016 and not 2026.
________________________________
From: Matt Perkins <[email protected]>
Sent: Wednesday, 8 July 2026 21:40
To: Michael Junek; Robert Hudson; DaZZa
Cc: [email protected]; Luke Thompson
Subject: Re: [AusNOG] Telstra outage?

Wasn't the rollover 2019 that puts it 2038

Matt



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/* Matt Perkins
        Direct 02 8916 8101     Spectrum Networks Ptd. Ltd.
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On 8 Jul 2026 at 7:11 PM +1000, Michael Junek <[email protected]>, wrote:
The discussion I was having today with some colleagues was around the week 
rollover of GPS – 1024 weeks = 19.6 years – exactly where the time went back to 
(2006).
Unpatched NTP master perhaps?
Will be interesting to see the RCA if one is ever published.


From: AusNOG <[email protected]> on behalf of Robert Hudson 
<[email protected]>
Date: Wednesday, 8 July 2026 at 18:31
To: DaZZa <[email protected]>
Cc: "[email protected]" <[email protected]>, Luke Thompson 
<[email protected]>
Subject: Re: [AusNOG] Telstra outage?

You know what NTP can rely on?

DNS.

On Wed, 8 July 2026, 6:48 am DaZZa, 
<[email protected]<mailto:[email protected]>> wrote:
To paraphrase an oft-repeated meme

It's not NTP
There's no way it's NTP
It was NTP

Bets on this just being a speculator to take the heat off until they
find out what really went wrong?

D

On Wed, 8 Jul 2026 at 14:34, Luke Thompson <[email protected]> wrote:
>
> Telstra's CFO has pointed to time / NTP:
>
> https://www.theguardian.com/australia-news/2026/jul/08/telstra-outage-down-network-mobile-outages-today
>
> Seems just over 4 hours of impact, and so far they're unsure what caused it.
>
> Cheers,
>
> Luke Thompson, CTO
> The Network Crew P/L
>
> E: [email protected]
> https://tnc.works
>
> On 8 July 2026 8:43:01 am Luke Thompson <[email protected]> wrote:
>
>> & likewise, service restored at the moment.
>>
>> Cheers,
>>
>> Luke Thompson, CTO
>> The Network Crew P/L
>>
>> [email protected]
>> https://tnc.works
>>
>>
>> On 8/7/2026 8:40 am, [email protected]<mailto:[email protected]> wrote:
>>>
>>> Good morning
>>>
>>> Back here. Regional Vic  Boost and T prepaid mobile data.
>>>
>>> ----- Original message -----
>>> From: [email protected]<mailto:[email protected]>
>>> To: [email protected]<mailto:[email protected]>
>>> Subject: [AusNOG] Telstra outage?
>>> Date: Wednesday, 8 July 2026 7:44 AM
>>>
>>> G'day.
>>>
>>> How is T where you are?
>>>
>>> Regional Vic Boost network no calls other than emergency can be made.
>>>
>>> Cheers
>>> Laurie
>>>
>> _______________________________________________
>> AusNOG mailing list
>> [email protected]<mailto:[email protected]>
>> https://lists.ausnog.net/mailman/listinfo/ausnog
>
>
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