Yes. The seventh day is said to be sanctified not because anything can accrue to God, or be taken from Him, but because something is added to creatures by their multiplying, and by their resting in God.
Non propter hoc dies septimus sanctificatur, quia Deo possit aliquid accrescere vel decrescere, sed quia creaturis aliquid accrescit per multiplicationem et quietem in Deo.
God's rest on the seventh day is understood in two ways.
Requies Dei in die septima dupliciter accipitur.
First, in that He ceased from producing new works, though He still preserves and provides for the creatures He has made.
Primo quidem, quantum ad hoc, quod cessavit a novis operibus condendis, ita tamen quod creaturam conditam conservat et administrat.
According to the first meaning, then, a blessing befits the seventh day, since, as we explained (Q72, A1, RO4), the blessing referred to the increase by multiplication; for which reason God said to the creatures which He blessed: "Increase and multiply." Now, this increase is effected through God's Providence over His creatures, securing the generation of like from like.
Quantum ergo ad primum, competit septimae diei benedictio. Quia, sicut supra dictum est, benedictio ad multiplicationem pertinet, unde dictum est creaturis quas benedixit, crescite et multiplicamini. Multiplicatio autem rerum fit per administrationem creaturae, secundum quam ex similibus similia generantur.
Secondly, in that after all His works He rested in Himself.
Alio modo, secundum quod post opera requievit in seipso.
And according to the second meaning, it is right that the seventh day should have been sanctified, since the special sanctification of every creature consists in resting in God. For this reason things dedicated to God are said to be sanctified.
Quantum vero ad secundum, competit septimae diei sanctificatio. Maxime enim sanctificatio cuiuslibet attenditur in hoc quod in Deo requiescit, unde et res Deo dedicatae sanctae dicuntur.
In the first six days creatures were produced in their first causes, but after being thus produced, they are multiplied and preserved, and this work also belongs to the Divine goodness. And the perfection of this goodness is made most clear by the knowledge that in it alone God finds His own rest, and we may find ours in its fruition.
In primis sex diebus productae sunt res in suis primis causis. Sed postea ex illis primis causis res multiplicantur et conservantur, quod etiam ad bonitatem divinam pertinet. Cuius etiam perfectio in hoc maxime ostenditur quod in ipsa sola et ipse requiescit, et nos requiescere possumus, ea fruentes.
The good mentioned in the works of each day belongs to the first institution of nature; but the blessing attached to the seventh day, to its propagation.
Bonum quod in singulis diebus commemoratur, pertinet ad primam naturae institutionem, benedictio autem diei septimae pertinet ad naturae propagationem.