How to display greeting message on user time in Dart| Flutter by Example

In this article, You’ll find how to display greeting messages such as Good Morning, afternoon, or evening based on the user’s time in dart and flutter.

Following are steps to print the greeting message.

• First, Get an hour of user time in dart
• if user time is less than or equal to 12, Display Good Morning.
• if user time is greater than 12 and less than 16, Display Good Afternoon.
• if user time is greater than 16 and less than 20, Display Good Evening.
• if user time is greater than 20 and less than 24, Display Good Evening.

Get the current date using DateTime.now(). call DateTime.hour property returns the hour of a day in the 24-hour format.

Check given hour using if-else if conditional expression.

void main() {
  var hour = DateTime.now().hour;

  if (hour <= 12) {
    print('Good Morning');
  } else if ((hour > 12) && (hour <= 16)) {
    print('Good Afternoon');
  } else if ((hour > 16) && (hour < 20)) {
    print('Good Evening');
  } else {
    print('Good Night');
  }
}

Output:

Good Morning