Using the Equatorial Sundial in the Southern Hemisphere

Mon, 7 Jun 2010

I received an email from the other side of the world this morning. Someone had downloaded the equatorial sundial kit and found that it didn't work in the southern hemisphere!

I should have thought of that when I was making the model, the model is effectively flipped over relative to the sun once it crosses the equator. This means that the shadow will track across the dial from right to left rather than left to right.

Luckily it was a straight forward job to add a second dial for use in southern regions. Same as a before but with the number order reversed. The update model with updated instructions is available to download on the sundial page. If you are a member/subscriber or have purchased the model before it'll be available for free.

Useful Links:
Equatorial Sundial

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Comments (3)

  • clintfern June 7, 2010 at 9:25 pm

    Hi Rob,
    just downloaded

    Hi Rob,


    just downloaded this from and I still get the version with only one dial.

    • robives June 8, 2010 at 6:42 am

      Thanks for letting me know –

      Thanks for letting me know – should be working now.


  • clintfern June 8, 2010 at 8:53 pm

    Just downloaded again and its

    Just downloaded again and its the new one. Thanks Rob.

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