[tz] If you lie about the time zone, your iPhone will have its revenge

[Guy Harris]

> On Jan 19, 2016, at 12:56 AM, Goudge, Stephen <stephen.goudge at petards.com> wrote:
> 
>> From: tz-bounces at iana.org [mailto:tz-bounces at iana.org] On Behalf Of Edwin Groothuis
>> Sent: 19 January 2016 01:41
>> To: tz at iana.org
>> Subject: Re: [tz] If you lie about the time zone, your iPhone will have its revenge
>> 
>> On 18/01/2016 6:42 pm, Guy Harris wrote:
>>> I'd expect whatever checks the battery to be doing "check every second"-type checks
>> 
>> And I expect it to check the system uptime and not the wall clock time.
> 
> Or just loop, sleeping for duration d and not bothering with any time reference at all, for the calculation?

Well, yes, that's what "check every second"-type checks *would* do (for d = 1 second).

The point is that I'm not sure how something that doesn't actually change the system clock, such as moving from one time zone to another, would trigger this.  But I'm also not sure why this would only be seen on the 6s models....