6573.
'In order to do what is in accord with this day' means that this is in accord with order from eternity. This is clear from the meaning of 'doing', when used in reference to the Divine, as order (for
whatever the Divine does is order); and from the meaning of 'in accord with this day' as from eternity, dealt with in 2838, 3998, 4304, 6165, 6298.