rītā pēc pusdienas beigt darbu ― to finish work tomorrow after midday
Usage notes
Rīt is an adverb, meaning “tomorrow,” whereas rītdiena is a noun, meaning “(the day of) tomorrow.” Rīts, on the other hand, is a noun, meaning “morning.” The corresponding locative rītā can mean both “in the morning” (more frequently: no rīta) and “tomorrow” (more frequently: rīt).