[[pdoField?
&id=`15`
&field=`publishedon`[[*publishedon:strtotime:date=`%Y-%m-%d`]]
This question has been answered by Bruno17. See the first response.
[[pdoField:strtotime:date=`%Y-%m-%d`?
&id=`15`
&field=`publishedon`
]][[pdoField:date=`%Y-%m-%d`?
&id=`15`
&field=`publishedon`
]]