Hepatitus B More Condition_symptoms Could Anyone Tell Me More About The Time Space Between Doses For The Hepatitus B Vaccination.?

Could anyone tell me more about the time space between doses for the Hepatitus B vaccination.? - hepatitus b more condition_symptoms

I use a course - I had two doses at monthly intervals and the third is one months after the 2nd Dose. I have some information on the Internet, the third dose is given usually at least 3-6 months after 2nd after the Hep. Course B is vaccination. Please could someone clarify this? Thank you.