getMinHm method
Implementation
String getMinHm() {
int hour = _lunar!.getHour();
if (hour < 1) {
return '00:00';
} else if (hour > 22) {
return '23:00';
}
if (hour % 2 == 0) {
hour -= 1;
}
return '${hour < 10 ? '0' : ''}$hour:00';
}