Original: Each period consists of 12 hours numbered 12 ( acting as zero ) , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , and 11 .
Simplified: Both names are from Latin , and numbered from 12 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , and 11 .