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    About time zones

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    • D
      DmitrySA
      last edited by

      Here are 2 points:

      1. western one - 70N, 56E;
      2. eastern one - 70N, 58E (2 degrees to the east).

      For point 1 the time zone as follows: 12h UTC = 16h local.
      For point 2 (which is to the east) the time zone as follows: 12h UTC = 15h local.

      Even if there are different time zones for these two points, how come the eastern point's local time is less than the western point's one? These are just arbitrary grid points, not some real geographical objects, for which there might or might not be the kind of uncertanties.

      Безымянный.png

      Gkikas LGPZG Jari SochorováJ 2 Replies Last reply Reply Quote 0
      • Gkikas LGPZG
        Gkikas LGPZ Moderator Meteorologist @DmitrySA
        last edited by

        @DmitrySA
        1000025707.gif

        1 Reply Last reply Reply Quote 1
        • Jari SochorováJ
          Jari Sochorová Administrator @DmitrySA
          last edited by Jari Sochorová

          @DmitrySA Hi, here’s the explanation. On the open sea (in international waters), time zones are determined based on meridians. However, near the coast or in territorial waters, the time is usually set according to the time zone of the nearest land. So near land, it can happen that a place located further east—where the day is already more advanced—paradoxically has a lower local time than a place further west. Nice catch, Jari
          Time.png

          D 1 Reply Last reply Reply Quote 3
          • D
            DmitrySA @Jari Sochorová
            last edited by

            @Jari-Sochorová Oh, wow! That would mean, that the left (western) point I've picked is pertained to the "international waters", while the right (eastern) one, being closer to the coast, is pertained to the land, right?
            Nice catch indeed, thank you very much!

            1 Reply Last reply Reply Quote 1
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