Hello Jos, The concept of a leap year is a purely human invention to make minor adjustments to our calendar year as it slowly gets out of sync with the solar year, and as far as I know there is no way for a sundial to 'know' about leap years. Thank you, Paul Ratto SunClocks North America 438-793-6161 sunclock...@icloud.com www.sunclocks.net
> On Aug 28, 2014, at 4:06 AM, "Jos Kint" <jos.k...@telenet.be> wrote: > > Has anyone an idea how to use a sundial for calculating if the current year > is a leap year? And, if not, how many years we are behind the next leap year? > > Jos Kint, 50°59’ N ; 3°39’E
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