iOS / Swift 5 How to make a dynamic greeting message? Article: https://freakycoder.com/ios-notes-51-how-to-set-a-time-based-dynamic-greeting-message-swift-5-6c629632ceb5

swift-dynamic-greeting-message.md

func greetingLogic() -> String {
  let hour = Calendar.current.component(.hour, from: Date())
  
  let NEW_DAY = 0
  let NOON = 12
  let SUNSET = 18
  let MIDNIGHT = 24
  
  var greetingText = "Hello" // Default greeting text
  switch hour {
  case NEW_DAY..<NOON:
      greetingText = "Good Morning"
  case NOON..<SUNSET:
      greetingText = "Good Afternoon"
  case SUNSET..<MIDNIGHT:
      greetingText = "Good Evening"
  default:
      _ = "Hello"
  }
  
  return greetingText
}