According to http://www.timeanddate.com/worldclock/clockchange.html?n=136&year=1847 there was a time shift forward of 75 seconds at that time. In London, when local time was about to reach 12:00:00 AM on Wednesday December 1, 1847, clocks were advanced to Wednesday, December 1, 1847 12:01:15 AM.
Just add one day unit to the date until it reaches the current date (Swift 2 code): var date = startDateNSDate // first date let endDate = NSDate() // last date // Formatter for printing the date, adjust it according to your needs: let fmt = NSDateFormatter() fmt.dateFormat = “dd/MM/yyyy” // While date <= endDate … Read more
You get an error message because 0 is not a valid value for NSCalendarOptions. For “no options”, use NSCalendarOptions(0) or simply nil: let ageComponents = calendar.components(.CalendarUnitYear, fromDate: birthday, toDate: now, options: nil) let age = ageComponents.year (Specifying nil is possible because NSCalendarOptions conforms to the RawOptionSetType protocol which in turn inherits from NilLiteralConvertible.) Update for … Read more
I don’t know what’s wrong with your code.But looks too much unnecessary things are there like you’re setting calendar, fetching some elements from string. Here is my small version of UTCToLocal and localToUTC function. But for that you need to pass string in specific format. Cause I’ve forcly unwrapped date objects. But you can use … Read more
Start Of Day / End Of Day — Swift 5.7 extension Date { var startOfDay: Date { return Calendar.current.startOfDay(for: self) } var endOfDay: Date { var components = DateComponents() components.day = 1 components.second = -1 return Calendar.current.date(byAdding: components, to: startOfDay)! } var startOfWeek: Date { Calendar.current.dateComponents([.calendar, .yearForWeekOfYear, .weekOfYear], from: self).date! } var endOfWeek: Date { var … Read more
Because this is apparently my most popular answer, I’ll try to edit it to contain a little bit more information. Despite its name, NSDate in and of itself simply marks a point in machine time, not a date. There’s no correlation between the point in time specified by an NSDate and a year, month, or … Read more