No ,because it has to do with religion
Answer:
I think that this was established for the expansion of transport and communication during the 19 century. Before the clocks were invented, the people just kept using the time from different instruments which help them observe the sun while it pass at noon.
The life of a soldier during the civil war wasn't easy. Not only did soldiers face the possibility of getting killed in battle, their daily lives were full of hardships. They had to deal with hunger, bad weather, poor clothing, and even boredom between battles. Soldiers were woken at dawn to begin their day.