DocumentationAnalyticsStreaming media services guide

Day part

Last update: May 15, 2026

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This page covers the Day part reporting dimension. See Day part for how to collect this variable.

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The Day part dimension reports the time-of-day bucket when the content was broadcast or played. Common values are "Morning", "Afternoon", "Primetime", and "Late Night". Use it to compare engagement across dayparts independently of the viewer’s local time zone.

How this dimension is populated

Day part is set by the player at session start.

Reporting system
Source
Adobe Analytics
Automatically collected from context data a.media.dayPart when Video Metadata is enabled.
Customer Journey Analytics
mediaReporting.sessionDetails.dayPart
Data feeds
videodaypart, post_videodaypart
Audience Manager
c_contextdata.a.media.dayPart

Dimension items

Each item is the literal daypart label reported at session start. Use a fixed set of values across implementations to keep line items consistent.

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