timed command will give a user a role a set amount of time after joining the server.
timed command is limited to a maximum of 7 days, unless you are a Premium or partnered guild.
z/timed add 30m @Rabbitor # Add the Rabbitor role 30 minutes after they join
z/timed remove Rabbitor # Remove the timed role for Rabbitor
z/timed show # Show your timed roles
d, day, days - Days
h, hour, hours - Hours
m, minute, minutes - Minutes