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。
dayThe number of days.
日数。
Discussion 議論
Weekday units are the numbers 1 through n, where n is the number of days in the week. For example, in the Gregorian calendar, n is 7 and Sunday is represented by 1. 週日単位は、１からnまでの数です、そこでnはその週の中の日にち番号です。例えば、グレゴリオ暦では、nは７です、そして日曜日は１を表します。
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。