iOS NSDate -- All type of conversions Class Methods

//Get the current Device Date

+(NSDate *)getcurrentDate

{

    NSDate *CurrentDate = [NSDate date];

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"yyyy-MM-dd h:mm a"];

    return CurrentDate;

}

//Get Month Year in String Format  From  Date

+(NSString *)getStringMonthYearFromDate :(NSDate *)givendate

{

    

    NSCalendar *dateCalender = [NSCalendar currentCalendar];

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"MMMM-y"];

    NSString *FormattedDate = [Formatter stringFromDate:givendate];

    

    return FormattedDate;

}

+(NSDate *)getcurrentMonthYear

{

    NSDate *CurrentDate = [NSDate date];

    NSCalendar *dateCalender = [NSCalendar currentCalendar];

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"MMMM y HH"];

    NSString *FormattedDate=[Formatter stringFromDate:CurrentDate];

    

    NSDate *actualDate =[Formatter dateFromString:FormattedDate];

    

    NSDateComponents *components = [dateCalender components: NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear |NSCalendarUnitHour fromDate:actualDate];

    [components setCalendar:dateCalender];

    

    [components setDay:1];

    [components setHour:4];

    

    actualDate = [dateCalender dateFromComponents:components];

    return actualDate;

}

+(NSDate *)getcurrentDateOnly

{

    NSDate *CurrentDate = [NSDate date];

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"dd-MMM-yyyy"];

    NSString *FormattedDate=[Formatter stringFromDate:CurrentDate];

    return [Formatter dateFromString:FormattedDate];

}

+(NSString *)getcurrentDateInString

{

    NSDate *CurrentDate = [NSDate date];

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"dd-MMM-yyyy HH:mm a"];

    NSString *FormattedDate=[Formatter stringFromDate:CurrentDate];

    return FormattedDate;

}

+(NSDate *)getcurrentTime

{

    NSDate *CurrentDate = [NSDate date];

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"h:mm a"];

    return CurrentDate;

}

+(NSDate *)convertStringDateToNSDate :(NSString *)dateString

{

    NSCalendar *currentCalender =[NSCalendar currentCalendar];

    NSDateFormatter *stringToDateFormater =[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [stringToDateFormater setLocale:locale];

    [stringToDateFormater setDateFormat:@"dd MMMM y"];

    

    NSDate *fulldate = [stringToDateFormater dateFromString:dateString];

    

    NSDateComponents *components = [currentCalender components: NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear |NSCalendarUnitHour fromDate:fulldate];

    NSCalendar *dateCalender = [NSCalendar currentCalendar];

    [components setCalendar:dateCalender];

    [components setDay:1];

    [components setHour:4];

    fulldate = [dateCalender dateFromComponents:components];

    return fulldate;

}

+(NSDate *)convertStringTimeToDate :(NSString *)time

{

    NSDate *CurrentDate = [NSDate date];

    NSCalendar *currentCalender =[NSCalendar currentCalendar];

    

    NSDateComponents *components = [currentCalender components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear | NSCalendarUnitHour | NSCalendarUnitMinute fromDate:CurrentDate];

    

    NSDateFormatter *stringToDateFormater =[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [stringToDateFormater setLocale:locale];

    [stringToDateFormater setDateFormat:@"h:mm a"];

    

    NSDate *date = [stringToDateFormater dateFromString:time];

    

    NSCalendar *dateCalender =[NSCalendar currentCalendar];

    

    NSDateComponents *datecomponents = [dateCalender components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear | NSCalendarUnitHour | NSCalendarUnitMinute fromDate:date];

    

    [datecomponents setDay:components.day];

    [datecomponents setMonth:components.month];

    [datecomponents setYear:components.year];

    date = [dateCalender dateFromComponents:datecomponents];

    return date;

}

+(NSString *)convertTimeToString :(NSDate *)time

{

    NSDate *CurrentDate = time;

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"h:mm a"];

    NSString *timeString=[Formatter stringFromDate:CurrentDate];

    return timeString;

}

+(NSString *)convertDateToString :(NSDate *)date

{

    NSDate *CurrentDate = date;

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"MMM"];

    NSString *timeString=[Formatter stringFromDate:CurrentDate];

    return timeString;

}

+(NSString *)getcurrentTimeInString

{

    NSDate *CurrentDate = [NSDate date];

    NSDateFormatter *Formatter=[[NSDateFormatter alloc] init];

    NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];

    [Formatter setLocale:locale];

    [Formatter setDateFormat:@"h:mm a"];

    NSString *timeString=[Formatter stringFromDate:CurrentDate];

    

    

    return timeString;

}

+(NSString *)convertMinutesToTimeInterval :(NSUInteger)minutes

{

    NSTimeInterval timeInterval =minutes*60;

    NSDateComponentsFormatter *componentFormatter = [[NSDateComponentsFormatter alloc] init];

    

    componentFormatter.unitsStyle = NSDateComponentsFormatterUnitsStyleShort;

    componentFormatter.zeroFormattingBehavior = NSDateComponentsFormatterZeroFormattingBehaviorDropAll;

    

    NSString *formattedString = [componentFormatter stringFromTimeInterval:timeInterval];

    return formattedString;

}

+(NSString *)convertMinutesToTimeIntervalNumericWay :(NSUInteger)minutes

{

    NSTimeInterval timeInterval =minutes*60;

    NSDateComponentsFormatter *componentFormatter = [[NSDateComponentsFormatter alloc] init];

    

    componentFormatter.unitsStyle = NSDateComponentsFormatterUnitsStylePositional;

    componentFormatter.zeroFormattingBehavior = NSDateComponentsFormatterZeroFormattingBehaviorDropAll;

    

    NSString *formattedString = [componentFormatter stringFromTimeInterval:timeInterval];

    return formattedString;

}