The Circular Calendar 2020 – Visualize the possible hours of sunshine for 1 year

The circular calendar visualizes the possible hours of sunshine at latitude 50 degrees north of the equator for 2020 with the yellow area inside. Two additional thin rings (solid and dashed) mark the sunshine hours of the 40th and 30th latitude north of the equator.

By a concentric hourly scale, the possible hours of sunshine for the days in 2020 can be read. All around, the calendar displays all months and days for 2020, but also the calendar weeks, moon phases and summer, winter, spring and autumn solstices are displayed. It also offers enough space for daily notes.

Honored with the “international gregor calendar award” in silver and the japan calendar award in bronze.

The Calendar, designed by Sören Lachnit, is available as Printed Version or as printable PDF-File

Print Version

  • Size: 70cm x 100cm (27,55 inch x 39,37 inch)
  • Paper: 5.6 oz/y² (192 g/m²)
  • Giclée printing quality
  • Surface: matt
  • Latitudes available: 60°/50°/40°/30° north of the equator


  • File: PDF-X3
  • Latitudes available: 60°/50°/40°/30° north + 30°/20°/10 south

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Houke de Kwant is a frontend developer from the Netherlands and the creator of TheArtHunters (former Daily Inspiration, which was started as part of his study).

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