weekdayThe number of the weekdays.
曜日番号。
weekdayOrdinal The ordinal number of weekdays.
週番号。
weekOfMonth The week number of the months.
月の週番号。
weekOfYear The ISO 8601 week date of the year.
ISO 8601年内週番号。
Discussion 議論
This value is interpreted in the context of the calendar with which it is used—see Calendars, Date Components, and Calendar Units in Date and Time Programming Guide. この値は、それが使われるところのカレンダーの文脈で解釈されます — Calendars, Date Components, and Calendar UnitsをDate and Time Programming Guideで見てください。