Day-part challenges target a specific slow window in your business — a weak lunch rush for a breakfast-heavy coffee shop, a quiet late-night slot, or any day part your sales data shows is underperforming.
The key distinction from a typical "slow time" tactic: this isn't a discount or a happy hour. A blanket discount during your slowest hours just takes whatever scraps of traffic you can get. A day-part challenge instead drives regular, repeat traffic into that specific window by rewarding a pattern of behavior (visits, or a purchase) during that day part — and any discount can be applied later, downstream of that behavior, rather than up front.
Surfacing something unexpected in a day part can work particularly well — think of how McDonald's made shakes available outside the usual hours, or how Taco Bell reintroduced a late-night menu. Putting a familiar item in front of guests at an unfamiliar time gives them a reason to break their usual order and try the day part out.
Day-part challenges can also be aimed at a specific demographic that's underrepresented in that window — for example, targeting a college-age crowd during a late-night slot near a campus, rather than assuming the day part itself is the only variable.