diff --git a/translations/ui-calendar/ja.json b/translations/ui-calendar/ja.json
index 0d23c80..c0c8684 100644
--- a/translations/ui-calendar/ja.json
+++ b/translations/ui-calendar/ja.json
@@ -2,24 +2,24 @@
     "meta.title": "カレンダー",
     "permission.view": "Settings (Calendar): Can view existing calendars",
     "midnight": "Midnight",
-    "calendarForm.title.create": "New calendar",
-    "calendarForm.title.edit": "Edit calendar",
+    "calendarForm.title.create": "新規カレンダー",
+    "calendarForm.title.edit": "カレンダーの編集",
     "calendarForm.category.general": "一般情報",
     "calendarForm.category.hoursOfOperation": "開館時間",
     "calendarForm.category.exceptions": "例外",
-    "calendarForm.field.name": "Calendar name",
-    "calendarForm.field.startDate": "Start date",
-    "calendarForm.field.endDate": "End date",
-    "calendarForm.field.servicePoints": "Service points",
-    "calendarForm.addRowButton": "行を追加する",
-    "calendarForm.openings.column.status": "Status",
-    "calendarForm.openings.column.startDay": "Start day",
+    "calendarForm.field.name": "カレンダー名称",
+    "calendarForm.field.startDate": "開始日",
+    "calendarForm.field.endDate": "終了日",
+    "calendarForm.field.servicePoints": "サービスポイント",
+    "calendarForm.addRowButton": "行の追加",
+    "calendarForm.openings.column.status": "ステータス",
+    "calendarForm.openings.column.startDay": "開始日",
     "calendarForm.openings.column.startTime": "Start time",
     "calendarForm.openings.column.endDay": "End day",
     "calendarForm.openings.column.endTime": "End time",
     "calendarForm.openings.column.actions": "Actions",
-    "calendarForm.exceptions.column.name": "Name",
-    "calendarForm.exceptions.column.status": "Status",
+    "calendarForm.exceptions.column.name": "名称",
+    "calendarForm.exceptions.column.status": "ステータス",
     "calendarForm.exceptions.column.startDate": "Start date",
     "calendarForm.exceptions.column.startTime": "Start time",
     "calendarForm.exceptions.column.endDate": "End date",
@@ -33,7 +33,7 @@
     "calendarForm.error.timeOrder": "End date/time must not be before the start date/time",
     "calendarForm.error.openingConflictError": "Some openings have conflicts with each other",
     "calendarForm.error.exceptionConflictError": "Some exceptions have conflicts with each other",
-    "calendarForm.error.internalServerError": "Internal server error",
+    "calendarForm.error.internalServerError": "内部サーバーエラー",
     "calendarForm.error.servicePointConflict": "{num, plural, =1 {Service point} other {Service points}} {list} {num, plural, =1 {has} other {have}} overlaps.",
     "currentStatus.open.noNext": "開く",
     "currentStatus.open.sameDay": "Open until {nextTime}",
@@ -61,24 +61,24 @@
     "currentStatus.closed.exceptional.otherWeekday": "Closed ({exceptionName}) until {nextWeekday} at {nextTime}",
     "purgeModal.label": "Purge old calendars",
     "purgeModal.criteria.age.prompt": "Purge calendars that ended...",
-    "purgeModal.criteria.age.months3": "more than 3 months ago",
-    "purgeModal.criteria.age.months6": "more than 6 months ago",
-    "purgeModal.criteria.age.year1": "more than 1 year ago",
-    "purgeModal.criteria.age.years2": "more than 2 years ago",
+    "purgeModal.criteria.age.months3": "3か月以前",
+    "purgeModal.criteria.age.months6": "6か月以前",
+    "purgeModal.criteria.age.year1": "1年以前",
+    "purgeModal.criteria.age.years2": "2年以前",
     "purgeModal.criteria.assignment.prompt": "And were...",
     "purgeModal.criteria.assignment.none": "not assigned to any service points",
     "purgeModal.criteria.assignment.any": "assigned or not assigned to service points",
     "purgeModal.deletionList.label": "Calendars to be deleted",
     "purgeModal.deletionList.empty": "No calendars match the provided criteria",
     "infoPane.actions.label": "Actions",
-    "infoPane.startDate": "Start date",
-    "infoPane.endDate": "End date",
+    "infoPane.startDate": "開始日",
+    "infoPane.endDate": "終了日",
     "infoPane.accordion.assignments": "Service point assignments",
-    "infoPane.accordion.assignments.empty": "This calendar is not assigned to any service points.",
+    "infoPane.accordion.assignments.empty": "このカレンダーはどのサービス ポイントにも割り当てられていません。",
     "infoPane.accordion.hours": "Hours of operation",
     "infoPane.accordion.hours.day": "Day",
     "infoPane.accordion.hours.open": "Open",
-    "infoPane.accordion.hours.close": "Close",
+    "infoPane.accordion.hours.close": "終了",
     "infoPane.nextDayHelpText": "* indicates next day",
     "infoPane.overnightHelpText": "– indicates that the service point was already open or does not close",
     "infoPane.247HelpText": "This calendar is open 24/7 and does not close",
@@ -86,9 +86,9 @@
     "infoPane.accordion.exceptions.openings.empty": "This calendar has no exceptional openings.",
     "infoPane.accordion.exceptions.closures": "Exceptions — closures",
     "infoPane.accordion.exceptions.closures.empty": "This calendar has no exceptional closures.",
-    "infoPane.accordion.exceptions.name": "Name",
-    "infoPane.accordion.exceptions.start": "Start",
-    "infoPane.accordion.exceptions.end": "Close",
+    "infoPane.accordion.exceptions.name": "名称",
+    "infoPane.accordion.exceptions.start": "開始",
+    "infoPane.accordion.exceptions.end": "終了",
     "infoPane.deletionModal.label": "Confirm deletion",
     "infoPane.deletionModal.contents": "Are you sure you would like to delete the calendar “{name}”?",
     "infoPane.display.closed": "Closed",
@@ -98,7 +98,7 @@
     "infoPane.display.closesAfterMidnightTime": "{time} *",
     "allCalendarView.title": "All calendars",
     "allCalendarView.actions.label": "Actions",
-    "allCalendarView.actions.new": "New",
+    "allCalendarView.actions.new": "新規",
     "allCalendarView.actions.purge": "Purge old calendars",
     "allCalendarView.column.name": "Calendar name",
     "allCalendarView.column.startDate": "Start date",
@@ -107,8 +107,8 @@
     "allCalendarView.noAssignments": "なし",
     "currentAssignmentView.title": "Current calendar assignments",
     "currentAssignmentView.noCalendar": "なし",
-    "currentAssignmentView.actions.new": "New",
-    "currentAssignmentView.column.servicePoint": "Service point",
+    "currentAssignmentView.actions.new": "新規",
+    "currentAssignmentView.column.servicePoint": "サービスポイント",
     "currentAssignmentView.column.name": "Calendar name",
     "currentAssignmentView.column.startDate": "Start date",
     "currentAssignmentView.column.endDate": "End date",
@@ -120,6 +120,6 @@
     "permission.create": "Settings (Calendar): Can create and assign new calendars",
     "permission.update": "Settings (Calendar): Can edit and reassign existing calendars",
     "permission.delete": "Settings (Calendar): Can delete existing calendars",
-    "infoPane.accordion.infoLabel": "Calendar information",
+    "infoPane.accordion.infoLabel": "カレンダー情報",
     "meta.titleSettings": "Calendar settings"
 }
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