non-Gregorian Calendar is not executing in analytics

We have entered data by using Nepali Bikram Sambat (B.S) Calendar. It is recorded in the database as well as produces the outcome in the cache table. But from this cache table the data is not executing by analytics.
It is interesting the same discussion was happen almost 10 years back.
Non-gregorian calendar systems - Support - Assistance technique - DHIS2 Community
The problem is not solved till date. If any one in the community is engaged in such issues please let us know.

I am trying to implement Bikram Sambat (B.S) Calendar. Do any one is working on this section. If yes let us know. Want to work and contribute together.
Thanks, Rajendra Poudel (