日本のロケールの計算機向き具合＞＜
ja-JP
0123.456
1970/01/02 15:00:00

en-US
0123.456
1/2/1970 3:00:00 PM

vi-VN
0123,456
02/01/1970 3:00:00 CH

fr-FR
0123,456
02/01/1970 15:00:00