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There will be guided tours at Kepleruhr: the operation, history, and reading of time will be explained. No entrance fee; no registration; tours take place independent from weather conditions.

Regular monthly dates at 11:30 am for 2024 are:

  • Sa, March 9, 2024
  • Sa, April 6, 2024
  • Sa, May 11, 2024
  • Sa, June 8, 2024
  • Sa, July 13, 2024
  • Sa, September 7, 2024
  • Sa, October 12, 2024.

Further dates can be made directly with me: This email address is being protected from spambots. You need JavaScript enabled to view it..


Schutzgehäuse des RaspberryPi in Richtung KepleruhrKEPLERUHR now can be viewed live via webcam. A RaspberryPi with Pi-Cam takes images periodically and transfers them via FTP to the server. Unter Live-View you can follow the camera image. Further details of the solution can be found at GKU Cam Project.

There are two new sundials at the building of the elemtary school in Wallern/Upper Austria: One outdoor - one indoor. Please also see Projects > Wallern and three image series on Flickr:

IMG 2236  IMG 7651  IMG 2263  IMG 2241  IMG 2227


In 2020 due to Covid-19 unfortunately we had to cancel the handicraft afternoon.

In 2017 (eight participants), 2018 (eleven), and 2019 (twelve) children from 8-12 years built their own sundials at KEPLERUHR (design by Additionaly the movement of the shadow has been observed at different times. More comfort has been achieved behind the building using the shadow.

© NIELtech