Data Warehouse to honor custom calendars

[#1]

As it is now, Data Warehouse does not support custom calendars, so when you request 'Last Week', you will get last week according to the Gregorian calendar.

[#2]

This is a MUST-HAVE for international clients. It is possible inr SIteCatalyst and must be possible in DWH too.

[#3]

Data Warehouse now honors custom calendars.

[#4]

Hi, Omniture told me that it was not possible but you're saying that it's possible since 2011. 

How can I do it ? Can I do it myself on the admin page ? 

Thank you for your help