Nah, the 3DS and PS3 both released in March, so I doubt that's a big problem. Plus, March is the end/beginning of the financial year in Japan, so another reason it's there is probably for convenience in that aspect.
NNID: b00moscone
Switch ID: SW-5475-6755-1986
3DS friend-Code: 4613-6380-5406
PSN: b00mosconi