[tz] Timekeeping in the news

Brian Inglis Brian.Inglis at SystematicSw.ab.ca
Fri Dec 27 16:46:55 UTC 2019


On 2019-12-24 21:37, Paul Gilmartin via tz wrote:
> On 2019-12-24, at 20:28:24, Tim Parenti wrote:
>>
>> On Tue, 24 Dec 2019 at 22:03, Howard Hinnant <howard.hinnant at gmail.com> wrote:
>> 11h...  Sure smells like a time zone issue.  Such as not taking time zones into account, or taking them into account incorrectly.  Fwiw, there’s an 11h difference between Cape Canaveral (launch site) and India (popular location for outsourced programming).
>>
>> I have seen speculation on Twitter (unsubstantiated, of course) that it is related to the difference between Cape Canaveral (currently UTC-5) and the Baikonur Cosmodrome in Kazakhstan (UTC+6).  But anything of that sort would of course raise the question of why any local time is being used rather than UTC.
>>  
> One NASA convention is "Mission Elapsed Time":
>     https://en.wikipedia.org/wiki/Mission_Elapsed_Time
> 
> ... but they still have to get it right.
> 
>> It would be great to know the facts...

...article has the added link:

https://www.nasaspaceflight.com/2019/12/oft-starliner-landing-white-sands/

linking to:

https://www.nasaspaceflight.com/2019/12/boeing-ula-momentous-starliner-uncrewed-test-flight/

https://www.nasaspaceflight.com/2019/12/starliner-mission-shortening-failure-successful-launch/

Some suggestion that powered up time was used and Centaur MET was *NOT* used!
If so that would raise the suspicion that perhaps a test configuration may not
have been reconfigured for flight.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

This email may be disturbing to some readers as it contains
too much technical detail. Reader discretion is advised.



More information about the tz mailing list