Dayparting is scheduling or bid-adjusting ads by time of day and day of week — concentrating spend when your audience actually converts.
Definition
Classic dayparting used manual bid modifiers by hour; modern smart bidding already weighs time as an auction signal, which makes crude hourly modifiers mostly redundant on conversion campaigns. Where dayparting still earns its keep: hard operational constraints (call centers with opening hours, same-day service businesses), budget-limited accounts choosing which hours to fund, and platforms or campaign types without mature auction-time bidding.
Why it matters
Dayparting is a good test of whether a team distinguishes legacy habits from live levers: applying manual hour modifiers on top of Smart Bidding often fights the model, while ignoring scheduling on a lead-gen account whose sales team works 9–5 wastes after-hours spend that can never be worked.
In agentic execution
Adlyse's agents apply scheduling where it genuinely helps and remove stale modifiers where they fight platform bidding — judgment applied per account, executed with approval.
Related terms
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