Use the new DATEFMT @-code (created just for this purpose).

src/sbbs3/text_defaults.c

@@ -557,7 +557,7 @@ const char * const text_defaults[TOTAL_TEXT]={
 	,"\x01\x5f\x01\x62\x01\x68\x5b\x01\x63\x40\x43\x48\x45\x43\x4b\x4d\x41\x52\x4b\x40\x01\x62\x5d\x20\x01\x79\x45\x6e\x74\x65\x72\x20"
 		"\x79\x6f\x75\x72\x20\x76\x6f\x69\x63\x65\x20\x70\x68\x6f\x6e\x65\x20\x6e\x75\x6d\x62\x65\x72\x01\x5c\x3a\x20\x01\x77" // 344 EnterYourPhoneNumber
 	,"\x01\x5f\x01\x62\x01\x68\x5b\x01\x63\x40\x43\x48\x45\x43\x4b\x4d\x41\x52\x4b\x40\x01\x62\x5d\x20\x01\x79\x45\x6e\x74\x65\x72\x20"
-		"\x79\x6f\x75\x72\x20\x62\x69\x72\x74\x68\x64\x61\x79\x20\x28\x25\x73\x29\x01\x5c\x3a\x20\x01\x77" // 345 EnterYourBirthday
+		"\x79\x6f\x75\x72\x20\x62\x69\x72\x74\x68\x64\x61\x79\x20\x28\x40\x44\x41\x54\x45\x46\x4d\x54\x40\x29\x01\x5c\x3a\x20\x01\x77" // 345 EnterYourBirthday
 	,"\x01\x5f\x01\x62\x01\x68\x5b\x01\x63\x40\x43\x48\x45\x43\x4b\x4d\x41\x52\x4b\x40\x01\x62\x5d\x20\x01\x79\x45\x6e\x74\x65\x72\x20"
 		"\x79\x6f\x75\x72\x20\x6c\x6f\x63\x61\x74\x69\x6f\x6e\x01\x5c\x20\x28\x65\x2e\x67\x2e\x20\x63\x69\x74\x79\x2c\x20\x73\x74\x61\x74"
 		"\x65\x29\x01\x5c\x3a\x20\x01\x77" // 346 EnterYourCityState