Calendar Hour component is 5 hours ahead, Unable to adjust it - ios

Question

I have two components in my app. A UIDATEPICKER that is set to select the time only, HOURS AND MINUTES. and A calendar (FSCALENDAR 3rd party) that selects the date,month and year for me. I am trying to combine the time selected from a uidatepicker and the date selected from the calendar to create a notification. it is working so far but the hour is 5 hours ahead. i think it is because of the 12 hour format of the uidatepicker. how do i extract the hour component in 24 hours format?
The code below is for extracting the date and time.
class ReminderViewController: UIViewController, FSCalendarDelegate, FSCalendarDataSource {
var reminderDate : String?
var reminderDay : Int?
var reminderMonth : Int?
var reminderYear : Int?
var reminderHour : Int?
var reminderMinute : Int?
#IBOutlet weak var rDatePicker: UIDatePicker!
#IBAction func reminderDatePicker(_ sender: Any) {
var df = DateFormatter()
let date = rDatePicker.date
let dateAsString = df.string(from: date)
let components = Calendar.current.dateComponents([.hour, .minute], from: date)
reminderHour = components.hour!
reminderMinute = components.minute!
}
#IBOutlet weak var doneButton: UIButton!
#IBAction func doneAction(_ sender: Any) {
let calendar = Calendar.current
let totalComponents = NSDateComponents()
totalComponents.day = reminderDay!
totalComponents.hour = reminderHour!
totalComponents.month = reminderMonth!
totalComponents.minute = reminderMinute!
totalComponents.year = reminderYear!
let finalDate = calendar.date(from: totalComponents as DateComponents)
print(finalDate)
}
override func viewDidLoad() {
super.viewDidLoad()
self.view.widthAnchor.constraint(equalToConstant: 500).isActive = true
reminderCalendar.delegate = self
reminderCalendar.dataSource = self
let totalComponents = NSDateComponents()
let calendar = Calendar.current
let date = Date()
let components = Calendar.current.dateComponents([.hour, .minute, .month, .day , .year], from: date)
reminderHour = components.hour!
reminderMinute = components.minute!
reminderMonth = components.month!
reminderDay = components.day!
reminderYear = components.year!
let finalDate = calendar.date(from: components as DateComponents)
print("FINAL" , finalDate)
}
func calendar(_ calendar: FSCalendar, didSelect date: Date, at monthPosition: FSCalendarMonthPosition) {
print(date)
var df = DateFormatter()
df = DateFormatter()
df.dateFormat = "dd-MM-yyyy"
reminderDate = df.string(from: date)
reminderMonth = Calendar.current.component(.month, from: date)
reminderDay = Calendar.current.component(.day, from: date)
reminderYear = Calendar.current.component(.year, from: date)
print(reminderMonth)
print(reminderYear)
print(reminderDay)
}
}

Answer 1

Get a date and time and Convert it in UST format based on your timezone you are ahead that's why it create issue
func localToUTC(date:String) -> String {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "yyyy-MM-dd"
dateFormatter.calendar = NSCalendar.current
dateFormatter.timeZone = TimeZone.current
let dt = dateFormatter.date(from: date)
dateFormatter.timeZone = TimeZone(abbreviation: "UTC")
dateFormatter.dateFormat = "yyyy-MM-dd"
return dateFormatter.string(from: dt!)
}
func calendar(_ calendar: FSCalendar, didSelect date: Date, at monthPosition: FSCalendarMonthPosition) {
print(date)
var df = DateFormatter()
df = DateFormatter()
df.dateFormat = "yyyy:MM:dd:HH:mm:ss"
reminderDate = df.string(from: date)
reminderMonth = Calendar.current.component(.month, from: date)
reminderDay = Calendar.current.component(.day, from: date)
reminderYear = Calendar.current.component(.year, from: date)
print(reminderMonth)
print(reminderYear)
print(reminderDay)
}