After Jardin 2nd interview, how long I need to wait ?

Today is 23 Jun, please be patience as the interviewer still have to wait for some others applicants and make up his mind after that.
I will say that it will at least take a week or two weeks probably.
If you wait for more than 3 weeks, you can make a phone call to him/her to ask for the result and it is allowed. Don't give up.

hmmmm..... u may write a follow-up letter to thank for the company giving u the opporturnity of having 2nd interview and see what HR dept will reply uuuuu