How can I show greetings like Good Moring, afternoon or evening base on users time in flutter - date

Question

I want to greet user when they visit my app
I have tried using TimeOfDay but it isn't working.
TimeOfDay now = TimeOfDay.now();
greetings(String greeting){
var greeting = now;
if(greeting <= '11: 59'){
return 'Morning';
} else if (greeting > '11:59' && <= '16:59'){
return 'Afternoon';
} else if (greeting > '16:59' && <= '23:59'){
return 'Afternoon';
} else {
return 'Morning';
}
}

Answer 1

Try using DateTime.now(), for example:
String greeting() {
var hour = DateTime.now().hour;
if (hour < 12) {
return 'Morning';
}
if (hour < 17) {
return 'Afternoon';
}
return 'Evening';
}

Answer 2

TimeOfDay.now().period;
// This will return DayPeriod.am or DayPeriod.pm, you can show the greeting message accordingly
Link: https://api.flutter.dev/flutter/material/TimeOfDay/period.html
import 'package:flutter/material.dart';
void main(){
TimeOfDay day = TimeOfDay.now();
switch(day.period){
case DayPeriod.am: print('its morning');
break;
case DayPeriod.pm: print('its evening/night');
}
}

Answer 3

You are using TimeOfDay in wrong way. Your code should work if you use it properly.
String greetings(){
final hour = TimeOfDay.now().hour;
if(hour <= 12){
return 'Morning';
} else if (hour <= 17){
return 'Afternoon';
}
return 'Evening';
}