To skip your period in August you need to start your new pack of pills before you have your period in August.
the leo sign start is july 23 and the end of leo is august 23
July/August 1988
For most girls it is 28 days after the FIRST day you start your period. It might not be exactly 28 days but it should be somewhere around there. So if you start July 14th you should start around August 18th or so.
between July to august
August 21 is star sign Leo (July 24 - August 23).
It means they occur together, one right after another, and there are no other months between them. For example, the period June through August consists of three consecutive months: June, July, and August.
Go to the doctor it sounds like you could be pregnant.
July 27 - August 12
July 27th - August 12th 2012
25 July - 11 August
July
27 July - 12 August