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    bug report: switching to winter time incorrect (1h offset)

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    • mhaberler
      mhaberler | Premium last edited by

      location and current time is 17:23 UTC, 18:23 loc in Hartberg, Austria - 1h difference:

      Bildschirmfoto 2020-10-25 um 18.23.55.png

      This is what windy.com displays with 'UTC on' setting:

      Bildschirmfoto 2020-10-25 um 18.21.39.jpg

      Note 2 hour difference - the switch to winter DST was yesterday

      Michael

      Michael

      idefix37 1 Reply Last reply Reply Quote 0
      • idefix37
        idefix37 Sailor Moderator @mhaberler last edited by idefix37

        @mhaberler
        Hi, you are right, this bug is observed on time line on weather maps.

        3CFF414E-691D-46A2-990F-E822251D9E37.jpeg

        But by switching to Meteogram then the difference between UTC time and local time (1 hour) is correct.

        534424CC-D67E-463A-8B9D-E6F78D311D8B.jpeg

        mhaberler 1 Reply Last reply Reply Quote 1
        • mhaberler
          mhaberler @idefix37 | Premium last edited by

          @idefix37 I guess somebody with access to the code needs to figure out wether it's this rounding issue I already reported or a generic timezone snafu, hard to tell apart

          Michael

          Korina 1 Reply Last reply Reply Quote 1
          • Korina
            Korina Administrator @mhaberler last edited by Korina

            @mhaberler @idefix37 Hello, I can see that displayed time difference is correct - (1h difference to UTC)

            Screenshot 2020-10-26 at 10.07.26.png

            Korina

            idefix37 1 Reply Last reply Reply Quote 0
            • idefix37
              idefix37 Sailor Moderator @Korina last edited by

              @Korina
              It is correct too for me today.

              mhaberler 1 Reply Last reply Reply Quote 0
              • mhaberler
                mhaberler @idefix37 | Premium last edited by

                @idefix37 @Korina for me too -> BUT it's a day later now

                try this to reproduce:

                • force your platform's time back to Oct 25, past 3am (just set my mac to Oct 25, 21:48)
                • this is AFTER the winter time change, because that happened October 25, 3:00 am so the time delta should be 1 hour
                • peruse the time selector: the time difference remains 2hrs even looking at Nov 1 (!)

                note also the time selector remains equidistant 1h - I guess it should display 3am loc twice and switch the difference to UTC on the second 3am mark from 2 to 1hr

                looks like a fencepost issue to me

                while this doesnt look terribly important I hint to the fact that such time jumps by an hour can be really nasty in VFR aviation

                I envy nobody trying to get this right.. I wish they would get rid of this seasonal switching altogether

                Michael

                mhaberler 1 Reply Last reply Reply Quote 0
                • mhaberler
                  mhaberler @mhaberler | Premium last edited by

                  @mhaberler forgot: reload windy.com after changing the time

                  Michael

                  1 Reply Last reply Reply Quote 0
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