GPS-Sport ForenGPS-Sport GeneralTime stamp in gpx export
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Slogfester 14.03.2016 07:44:44 UTC



Yes, I understand, but -to be honest- most of the time these days I do not give my trainings a name, so my request still stands :)
admin 11.03.2016 10:08:31 UTC



If you name the training (enter a title), the file will be named accordingly :-)

You could also use the nice new features like syncing all trainings to Dropbox (in TCX format with unique names).

There's no technical reason for the GPXs not being named uniquely - it's just that we preferred to use the training title :-)
Slogfester 11.03.2016 06:57:34 UTC



Hi there

Sorry, just getting back to this.

All seems to be good now. In the example you used below, the local time was actually 06:43 on 20/1/16 (I was late getting out of bed that day!) and -hence- UTC was 20:43 on 19/1/2016

Export from run.gps and gps-sport now agree and are correct :)

Can we change one more thing please? When creating a gpx from run.gps the file is give the generic name UNNAMED.GPX. Hence it simply overwrites the last export file. Very confusing. Unless there is some technical reason for this that I am not aware of, please just name it something like GPXYYYYMMDDHHMM.gpx

Thanks
admin 11.01.2016 13:57:48 UTC



Yes right it hadn't been implemented in all modules yet.

Let's look into sample training http://www.gps-sport.net/trainings/cycling_1780948

Is the following right?

- Local training start time was: 05:43
- Time zone: UTC+10
- UTC training start time: 19:43 (previous day)

So the first UTC timestamp in the GPX file should read

<time>2016-01-09T19:43:22.838Z</time>

This is as is has been implemented just now for GPX files downloaded from training detail pages.
Slogfester 10.01.2016 02:45:22 UTC



Gpx export from gps-sport still has incorrect date/time stamp. Any more steps from 'First steps..' in June 2015?
admin 24.06.2015 10:19:49 UTC

First step towards correct timestamps in GPS and TCX ...

New releases of Run.GPS (Android, Blackberry, iOS, Windows Phone) will send additional timezone information to GPS-Sport.net. It's already wired on our server and you can recognize such uploads by the timezone added behind the time / date field (see below). (As for now, this is only possible with our beta versions, of course.)




[1]Timezone added to training start time / date field
admin 18.06.2015 07:00:48 UTC



You're correct - it's still incorrect.

The problem here is that we simply take the local timestamps from the Run.GPS app and store it in the GPS-Sport.net database. Timezone is missing ... Thus, we cannot deliver the correct UTC time from what is stored in our db.

This has to be changed, but it takes some time for all operating systems. The next release of Run.GPS will include the timezone and it will be possible to download GPX and TCX with correct UTC time.


Slogfester 11.06.2015 09:22:38 UTC

time stamp in gpx export still incorrect

Ummmmm.... just updated to 3.04, recorded a training (ride), uploaded to gps.sport and tried to export the gpx:

Actual Start time: 1509 AEST(UTC +10) = 0509 UTC
Start time shown on Run.gps and gps-sport.net: 1509 AEST [correct]
Start time in GPX exported from Run.gps : <time>2015-06-11T05:09:11.133Z</time> [= 1509 AEST = correct]
Start time in GPX exported from gps-sport.net: <time>2015-06-11T14:09:11.133Z</time> [= 0009 AEST the next day = incorrect]

I imported the gps-sport.net gpx in to Strava and it interpreted the start time as 1720 AEST! Which was the time I uploaded the file. So Strava's algorithm probably suspects there is an error in the gpx (at the time of uploading 1409 UTC was still in the future!), so it just puts a start time of upload time? This is confirmed when exporting the gpx back out of strava which has the start time of: <time>2015-06-11T07:20:10Z</time> = 1720 AEST

So, from here (upside down in Australia :), it looks like the time stamp in the gpx export out of Run.gps is correct, but from gps-sport.net it is incorrect. I can not hypothesise how it arrives at a start time 9 hours ahead of the actual time?
Slogfester 19.12.2014 23:23:47 UTC



Great, just in time. Just arrived in New Zealand which is +12 +1 summer time =Utc + 13 hours and didn't fancy manually adjusting the gpx files with a jet-lag head :)
MarMoer 19.12.2014 12:44:52 UTC



Indeed, works for gps-sport.net! Thanks!
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