it was built in 1088 A.D
su song was a clever inventor. He invented a 10m tall water clock. After su songs death the clock was dismantled and the chinese tried to reassemble it but it was impossible. Different inventors tried to make it taller but no one could beat the amazing height of su's 10m tall.
No the system clock is built into the motherboard.
In 1104 A.D., Su-Sung created his water clock during the Sung dynasty, in China. For 79 years, his amazingly complicated clock stood in the capital.
The cosmic engine is an astronomical clock built by Sung Su in 1086. It uses special mechanisms and dials to give specific astronomical information, such as positions of the sun, moon and stars.
That depends somewhat on the type of clock and when it was built.
The astronomical clock was first installed in 1410.
The Nintendo DSi does indeed have a built in alarm clock. It is accessible from the System Settings Icon
motherboard
Su song probably took 8 years to make it since the structure was 35 feet tall and could also predict the motions of celestial bodies.
It has a clock built into the radio/cd player.
1957
huygens