It will sent a message to the channel when you join a specified channel This Script will send a message to the channels on join and will determine whether to say good-morning, afternoon or evening by the time of the day you are joining. You can add the channel/channels you want to send an on join message to.

Installation Step 1 copy paste the following script in your remote , after loading the script you need to right click on the channel to add that channel to you on join greet channel. This version has Enable/Disable options.

New Option added
Add/Remove options added in the menus
Channel Control on Various Networks
Greet can be Enable / Disable in networks basis
Channel Add/Remove Options

This scripts works in mIRC and Adiirc

menu channel {
  .*OnJoin Greet*
  ..Add Channel: set %ch. $+ $network $addtok($eval($+(%,ch.,$network),2),#,44) | echo -a 40* OnJoin Channel Greet Added to Channel: # in $network Network
  ..Del Channel: set %ch. $+ $network $remtok($eval($+(%,ch.,$network),2),#,1,44) | echo -a 40* OnJoin Channel Greet Removed from to Channel # in $network Network
  .-
  ..$iif($eval($+(%,greet.,$network),2) ,$style(2)) Enable: { set %greet. $+ $network on | echo -a 40* OnJoin Channel Greet is Enabled for $network Network }
  ..$iif(!$eval($+(%,greet.,$network),2) ,$style(2)) Disable: unset %greet. $+ $network $addtok($eval($+(%,greet.,$network),2),1,44)  | echo -a 40* OnJoin Channel Greet is Disabled $for $network Network
  .-
  ..Status { if ($eval($+(%,greet.,$network),2) == on ) echo 4Auto Greet for $network is ON | else echo -a 4Auto Greet for $network is OFF }
  ..Channel List  { if ($eval($+(%,greet.,$network),2) == on ) echo -a 4List of active channel $eval($+(%,ch.,$network),2) $+ !  | else  echo -a 4Auto Greet is inactive in this Network. }
}
on me:*:join:$($eval($+(%,ch.,$network),2)): {
  if ($eval($+(%,greet.,$network),2) == on) {
    if ($time >= 05:00:00) && ($time <= 11:59:59) { timer 1 2 msg $chan Good Morning everyone ;) | halt }
    if ($time >= 12:00:00) && ($time <= 16:59:59) { timer 1 2 msg $chan Good Afternoon everyone ;)  | halt }
    if ($time >= 17:00:00) && ($time <= 23:59:59) { timer 1 2 msg $chan Good Evening everyone ;) | halt }
    if ($time >= 00:00:00) && ($time <= 04:59:59) { timer 1 2 msg $chan Good Evening everyone ;) | halt } 
  }
}