Ios: How to Get a Proper Month Name from a Number

iOS: How to get a proper Month name from a number?

Another option is to use the monthSymbols method:

int monthNumber = 11;   //November
NSDateFormatter *df = [[[NSDateFormatter alloc] init] autorelease];
NSString *monthName = [[df monthSymbols] objectAtIndex:(monthNumber-1)];

Note that you'll need to subtract 1 from your 1..12 monthNumber since monthSymbols is zero-based.

Get month number from month name?

Quick answer:

NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:@"MMM"];
NSDate *aDate = [formatter dateFromString:@"Jul"];
NSDateComponents *components = [[NSCalendar currentCalendar] components:NSMonthCalendarUnit fromDate:aDate];
NSLog(@"Month: %i", [components month]); /* => 7 */

See date formatters.

iphone how can i get month name from month number?

Something like this:

int monthNumber = 11;
NSString * dateString = [NSString stringWithFormat: @"%d", monthNumber];

NSDateFormatter* dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"MM"];
NSDate* myDate = [dateFormatter dateFromString:dateString];
[dateFormatter release];

NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"MMMM"];
NSString *stringFromDate = [formatter stringFromDate:myDate];
[formatter release];

NSLog(@"%@", stringFromDate);

Get next 3rd month name from the current month in swift

You need to use the Calendar class, e.g.

var now = Date()
var calendar = Calendar.current


if let then = calendar.date(byAdding: .month, value: 3, to: now) {
  let dateFormatter = DateFormatter()
  dateFormatter.dateFormat = "LLLL"
  let monthName = dateFormatter.string(from: then)
  print ("\(monthName)")
}

Just keep in mind how calenar arithmetics is handled: if you add "3 months" to let's say Nov 30th, 2019, then you'll get Feb-29th, 2020, although someone might expect March-01, 2020.

How to get month name with year and list of years between two Date

Use below code to get a list of years between two dates.

func getYear(){
    let startDateString:String  = "05/21/2014"
    let endDateString:String = "05/21/2017"

    let dateFormtter = DateFormatter()
    dateFormtter.dateFormat = "MM/dd/yyyy"

    let startDate = dateFormtter.date(from: startDateString)
    let endDate = dateFormtter.date(from: endDateString)

    var arrYears = [String]()
    dateFormtter.dateFormat = "MM"

    if let startYear: Int = startDate?.year(), let endYear = endDate?.year() {
        for i in startYear...endYear {
            let monthWithYear = "\(i)"
            arrYears.append(monthWithYear)
        }
    }
}

extension Date {
   func Year() -> Int {
        let year = Calendar.current.component(.year, from: self)
        return year
    }
}

NSDateFormatter not showing full month name, only single digit number

Turns out to be an issue with the second line, setLocale. I assume that the system won't default to using english month names when the locale has been manually set? I live in an english speaking locale, but maybe it doesn't matter.

In any case, not setting the locale fixes the month name issue.

dateFormat = [[NSDateFormatter alloc] init];
[dateFormat setTimeZone:[NSTimeZone localTimeZone]];    
[dateFormat setDateFormat:@"MMMM dd, h:mm a"];

Convert long month name to int

Use MM for the month format. Use stringFromDate to convert your NSDate to a String. Then convert your string to an Int with .toInt()

let dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = "MM"
let monthString = dateFormatter.stringFromDate(NSDate()) // "05"
let monthInt = monthString.toInt() // 5

Properly ordering month and date according to locale

Consider DateIntervalFormatter:

let formatter = DateIntervalFormatter()

formatter.locale = locale
formatter.dateTemplate = "MMMMd"

let string = formatter.string(from: date1, to: date2)

For the same month, that will generate “7 – 13 de marzo” and “March 7 – 13”.

For different months, “7 de febrero – 13 de marzo” and “February 7 – March 13”.

There are weird edge cases with these formatters (e.g., a dateStyle of .long works in English speaking locales, but not in others). And I wouldn’t be surprised if the above was not working perfectly in all of your target locales, so you might want to double check. But, in my experience, these formatters can get you pretty close. It appears to achieve what you need in English and Spanish…

How to convert Array of Months Name to Months Number in swift

A function like this may help

func getMonthIndex(_ month: String) -> Int {
    let months = ["JANUARY","FEBRUARY","MARCH","APRIL","MAY","JUNE","JULY","AUGUST","SEPTEMBER","OCTOBER","NOVEMBER","DECEMBER"]
    var monthIndex = -1
    if let idx = months.index(of: month.uppercased()) {
        monthIndex = idx + 1
    }
    return monthIndex
}

which can be used as follows :

var idx = getMonthIndex("January")  //1
idx = getMonthIndex("JANUARY") //1
idx = getMonthIndex("DECEMBER") //12
idx = getMonthIndex("DECEMBERRRR") //-1

In the snipped above "month.uppercased()" is very important this will help to identify months in all cases such as "January", "JANUARY" OR "january"

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