This is a simple Binary Clock based on Shane Tomae's Time-Slice Multitasking routine available at www.microchipc.com The Clock displays time in Binary format. the clock comprises of 24 Leds,8 each for Hours Minutes and seconds.The circuit is so designed that the Leds are muxtiplexed 2 Dimensionally.Only one Led is lit at an instant of time thus saving power.Maximum current consumption was under 2mA.