Prayer clock

Clock according to the preceding claim characterised by the fact that the clock comprises a GPS/DCF-interface (9).

Clock according to one of the preceding claims characterised by the fact that said means for determining the occurrence times of said events comprise means for calculating said times of occurrence of the events to be signalled according to known formulae governing these times and taking into account geographical information related to a location and acquired by or stored in the clock.

Clock according to the preceding claim characterised by the fact that the means for calculating the occurrence times are adapted to communicate with an internal or external position and/or time reference unit in order to acquire the necessary geographical information.

Clock according to one of the preceding claims characterised by the fact that the means for signalling a plurality of times of occurrence of certain events during the course of the day comprise a secondary display unit (3).

Clock according to the preceding claim characterised by the fact that the secondary display unit (3) is adapted to be used also during set up and modifying the configuration of the system of the clock.

Clock according to the preceding claim characterised by the fact that the acoustic means (5) and a secondary display unit (3) are adapted to be driven by a PC board (12) in an independent or in a coherent manner in order to signal the occurrence of an event to be signalled by the clock.

Clock according to one of the preceding claims characterised by the fact that the control unit (4) is adapted to communicate with a remote control unit (4a).

Clock according to one of the preceding claims characterised by the fact that said means for signalling a plurality of times of occurrence of certain events during the course of the day are adapted to signal at least five different events during the course of the day.