var Timeofday = new Date();
Timeofday = Timeofday.getHours();
if( Timeofday < 3 && Timeofday >= 24 ) {
document.write( 'Good evening, or should I say good morning, ' );
} else {
if( Timeofday >= 3 && Timeofday < 12 ) {
document.write( 'Good morning, ' );
} else {
if( Timeofday >= 12 && Timeofday < 17 ) {
document.write( 'Good afternoon, ' );
} else {
document.write( 'Good evening, ' );
}
}
}