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IUUQTPSBLB[FDPKQ 

,PUMJO͸͡Ί·ͨ͠ 

೔෇ͷ͋Ε͜Ε J04NBD04UW04ڞ௨ 

ओͳΫϥεͨͪ w %BUF'PSNBUUFS
w *40%BUF'PSNBUUFS
w %BUF*OUFSWBM'PSNBUUFS
w %BUF$PNQPOFOUT'PSNBUUFS
w $BMFOEBS
w %BUF$PNQPOFOUT
w %BUF*OUFSWBM 

%BUF'PSNBUUFS *40%BUF'PSNBUUFS %BUF'PSNBUUFS %BUF*OUFSWBM'PSNBUUFS %BUF$PNQPOFOUT'PSNBUUFS 'PSNBUUFS 

let formatter = DateFormatter() formatter.locale = Locale(identifier: "ja_JP") formatter.setLocalizedDateFormatFromTemplate("yMMMMd") formatter.string(from: date) // 2016೥12݄26೔
let formatter = DateFormatter() formatter.locale = Locale(identifier: “fr_FR") formatter.setLocalizedDateFormatFromTemplate("yMMMMd") formatter.string(from: date) // 26 décembre 2016 let formatter = DateFormatter() formatter.locale = Locale(identifier: "ja_JP") formatter.calendar = Calendar(identifier: .japanese) formatter.setLocalizedDateFormatFromTemplate("GyMd") formatter.string(from: date) // ฏ੒28೥12݄26೔ %BUF'PSNBUUFS 

let formatter = ISO8601DateFormatter() formatter.string(from: date) // 2016-12-26T04:23:50Z
formatter.formatOptions = [.withFullDate, .withFullTime, .withSpaceBetweenDateAndTime] formatter.string(from: date) // 2016-12-26 04:23:50Z *40%BUF'PSNBUUFS 

let formatter = DateIntervalFormatter() formatter.string(from: now, to: future) // 2016/12/26 19࣌00෼ʙ21࣌00෼
formatter.dateTemplate = "Hm" formatter.string(from: now, to: future) // 19࣌00෼ʙ21࣌00෼ %BUF*OUFSWBM'PSNBUUFS 

%BUF$PNQPOFOUT'PSNBUUFS let formatter = DateComponentsFormatter() formatter.string(from: now, to: future) // 1೔ 5:27:50 formatter.allowedUnits = [.hour, .minute] formatter.string(from: now, to: future) // 29:27 comp.includesApproximationPhrase = true comp.string(from: now, to: future) // About 29:27 

$BMFOEBS // ࠓ೔ʁ calendar.isDateInToday(date) // ಉ͡೔ʁ calendar.isDate(date, inSameDayAs: future) // ͦͷ೔ͷ಄ calendar.startOfDay(for: date) 

let interval = DateInterval(start: date, end: future) intervalFormatter.string(from: interval) // 2016/12/26 19࣌00෼ʙ21࣌00෼

ॏͳ͍ͬͯΔ͔
interval.intersects(interval2) // ॏͳΓ෦෼Λநग़ interval.intersection(with: interval2)
%BUF*OUFSWBM 

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