“The clock uses 2 electro mechanical clock movements controlled by an Arduino to display the Day and Month. A third quartz controlled movement displays the time tide Low or High tide.
The Calendar is fully automatic and takes into account leap years as well as summer and winter time changes.
The clock also has full Westminster chime of all 4 quarters and hourly chimes.
The clock is stand alone no Master Clock required.It has a built in Decoder for the DCF77 “Atomic Clock”.
An Auxiliary LCD display shows time,date and also DCF77 signal and decoder information.”