In the मांगा Vampire Knight we are in what year? So ... When Yuki 15 years, we are in what year?

The big सवाल among many others!
In the मांगा Vampire Knight we are in what year?

So ... When Yuki 15 years, we are in what year?

All indications are that this is around 1965 because of old cars and carriages in 2015 but also because of the jeans and glasses.
Help me! please
Matsuri Hino और does not indicate या so I Ratte information.