This language has a problem in the config.js. The "time" variables are not working correctly and are showing in english (maybe because an old configuration before 1.0).
Looking at other languages I tried to fix it. Now it's working.
/locale/config.js
dayjs.locale({
name: 'ja',
weekdays: '日曜日_月曜日_火曜日_水曜日_木曜日_金曜日_土曜日'.split('_'),
weekdaysShort: '日_月_火_水_木_金_土'.split('_'),
weekdaysMin: '日_月_火_水_木_金_土'.split('_'),
months: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
weekStart: 1,
yearStart: 4,
formats: {
LT: 'HH:mm',
LTS: 'HH:mm:ss',
L: 'YYYY/MM/DD',
LL: 'YYYY年M月D日',
LLL: 'YYYY年M月D日 HH:mm',
LLLL: 'YYYY年M月D日 dddd HH:mm',
l: 'YYYY/MM/DD',
ll: 'YYYY年M月D日',
lll: 'YYYY年M月D日 HH:mm',
llll: 'YYYY年M月D日(ddd) HH:mm',
},
calendar : {
sameDay: '[今日] LT',
nextDay: '[明日] LT',
nextWeek: function (now) {
if (now.week() !== this.week()) {
return '[来週]dddd LT';
} else {
return 'dddd LT';
}
},
lastDay: '[昨日] LT',
lastWeek: function (now) {
if (this.week() !== now.week()) {
return '[先週]dddd LT';
} else {
return 'dddd LT';
}
},
sameElse: 'L'
},
relativeTime: {
future : '%s後',
past : '%s前',
s : '数秒',
ss: '%d秒',
m : '1分',
mm : '%d分',
h : '1時間',
hh : '%d時間',
d : '1日',
dd : '%d日',
M : '1ヶ月',
MM : '%dヶ月',
y : '1年',
yy : '%d年',
},
ordinalParse: /\d{1,2}º/,
ordinal: n =>
${n}.})