My cat rajah is only 7months old she is not spayed
She's acts like she's in heat real lovey loud meows hind end up all that but it only last a day. The next day she's fine then about two weeks later shell do it again but only for one day
When I googled all this it said that the cycle last about a week! Is all this normal or is my cat just weird??

Giving Birth to Kittens (http://www.marvistavet.com/html/giving_birth_to_kittens.html)

Here is a link to how the heat cycle works in a cat, scroll down to the section that begins:
How This Happened in the First Place.
It explains the different stages.
My suggestion would be to have her spayed soon.
In heat cats are not only loud and slightly obnoxious, they may start spraying and marking, this is not a pleasant thing if your cat is indoors.
Altered pets are generally happier, healthier pets.
By spaying you can avoid things like mammary cancers, and possible pyometras when she gets older.