What do you mean by this ?
Half past six is 6:30 I'm not sure what you are seeking..
Can you help me if I help you?
Answer:
The horizontal line is the x axis
the vertical line is the y axis
The first number is always the number of the x axis
Example.
(6,9)
6 is in the x axis
9 is in the y axis
find the number 6 in the x axis (the horizontal one) and then go up until the number 9.