Getting  google adsense it is quite time processing work. Not within 24 hours but may be possible within a few days. But you can increase the chance to get I also don't have Adsense approval but I'm trying to get. These are some of methods you can apply to your website to get approval

1.Creating valuable contact in a right way Original content so that it is easy for people to understand and the information is given in the right way.

2.Make sure your Google Adsense policies match those of your website it help you a lot .

3.Your website  should be easy to access. User friendly so that the user does not face any problem in opening the website and that website accessable in  computer and phone.

4. carate about Us, contact us, disclaimer and privacy policy, terms and conditions like pages it is very important

5. always consider a top level domain insted of free domain