Should it not be getting darker ?

Bakergirlkl

So the time order of these tests are as below .

TOP - CD 30 - 12:50 Hrs

Middle - CD 30 - 17:50 Hrs

Bottom - CD31 - 23:25 Hrs (also why is the line not aligned with the "T" mark- is this still valid )

I am going to test tmrw CD32 with FMU.

Should n't they be getting darker or is it still too soon ? Am I worrying unnecessarily?