I don't know if there's a tips and tricks forum for this- maybe there could be. Anyway, if one wants to go mining for diesel programming tips, there are quite a few out there. Here is one that will place the date in your drawing at 0,0 coordinates:

^C^C_text 0,0 .128; \\\$M=\\\$(getvar,dwgname)"  "\\\$(edtime,\\\$(getvar,date),YYYY/M/D);;

the '.128' the height of the text- change that to something you like.

place this in a new command in "Customize Commands" in the "Command String" field. Give your new command a name and a description. Click 'Apply' and then 'OK'

Add this new command into one of the menu items like Draw.