i Register
In some senses, thursday is marked as informal, US. Watch for register when choosing this word.
noun
The fifth day of the week in many religious traditions, and the fourth day of the week in systems using the ISO 8601 norm; it follows Wednesday and precedes Friday.
Cap[ulet]. […] If vve ſhould reuell much, therefore vve vvill haue / Some halfe a dozen frends and make no more adoe. / But vvhat ſay you to Thurſday. / Par[is]. My Lorde I vviſhe that Thurſday vvere to morrovv.
But for satisfaction pure and deep, for balance in pleasure and comfort, Thursday canʼt be beat.
adv
On Thursday.