What is a quinceañera celebration, and why is it important? write your answer in english.

It is usually a big party for when young girls become "adults." 

A quinceañera is the celebration of a hispanic girl's 15th birthday. The Quinceañera, which literally translates to “the girl who is 15,” signifies a young girl’s transition in becoming a mature woman who is capable of independence in that she can make her own decisions and symbolizes her transition and growth into womanhood. 

Well which ever one has the hour hand closest to the 8 and then which other one is 2 ticks away from the 50

These objects represent mayan numerals. just like roman numerals, they are combined to symbolize a numeral and this enabled astronomers, scholars and architects to compute various equations yet it was also used by farmers and traders in their day to day transactions.