Please leave my credits and don't take my work as your own!!!
This map clear skript excludes players with a bypass command.

If you would like to add a map timer to your scoreboard, feel free to contact me via my discord: houof

Dependencies:
Skript

Commands:
/clearmap - Clears the map
/mapclear:bypass - Let's the player bypass map clear (You can toggle it just by running the command)

What you can configure:
Hours - How many hours between map clear
Minutes - How many minutes between map clear
Message - The message that shows up in chat when the map clears.
Error - The error message when you put something that isnt a positive number as the hours/minutes
Timer - The message that will show up in the scoreboard if you decide to set it up.
Mapclear - What permission people need to run the command /clearmap
Bypass - What permission people need to run the command /mapclear:bypass
Bypassmsg - The message for when players enable/disable their mapclear bypass
Shulkerstop - Whether or not you want the map clear to delete shulkers or not
Reset - Whether or not you want the map clear timer to reset when a player does /clearmap (Won't effect the skript doing the /clearmap command)

NOTICE:
The default map clear timer is 1 minute, this means it clears every 1 minute. Make sure to change the amount of hours/minutes it takes it clear at the top of the skript.