No one can tell the fix time, in which Search engines index the pages of your website. Search Engines index them automatically. You can index your pages fast by use following techniques
*Use XML Sitemap
It is use for inform to search engines about interlinks of your website. It helps to index your pages fast.
* Post your links on Social Bookmarking websites
Social Bookmarking websites are use for build quality backlinks and increase the traffic of your website. It are index fast. If you post your links on them, your links are also index fast.