Daypart targeting allows publishers to choose to run a campaign at a time of day - or week by extension - when the target audience is most likely receptive and reactive.
It can be a time slot for each day or a unique weekly time slot.
For instance, a pizza delivery service may use daypart targeting every day from 11 am to 1 pm and from 5 to 7 pm.
A beer brand may use daypart targeting only friday from 4 to 8 pm.
Ad servers flexibility allows an easy set up of daypart campaigns for display or PPC campaigns.
For PPC campaigns and when budget is limited, it can be profitable to use dayparting for concentrate delivery of impression at most effective time slots in terms of conversions. It is also possible to modulate bids according to time slots.
The setting up of daypart targeting at the ad server level:
Some successful use of dayparting according to GourmetAds network: