**Service** **AdRuleService** [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.DayPart) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.DayPart) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemService.DayPart) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202605/NativeStyleService.DayPart) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalLineItemService.DayPart) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalService.DayPart) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202605/PublisherQueryLanguageService.DayPart) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202605/TargetingPresetService.DayPart) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202605/YieldGroupService.DayPart) **Dependencies** [DayPartTargeting](https://developers.google.com/ad-manager/api/reference/v202605/AdRuleService.DayPartTargeting) ▼ **DayPart**


`DayPart` represents a time-period within a day of the week which is
targeted by a [LineItem](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.LineItem).

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202605`

| ## Field ||
|---|---|
| ### `dayOfWeek` | ` https://developers.google.com/ad-manager/api/reference/v202605/AdRuleService.DayOfWeek ` Day of the week the target applies to. This field is required. *** ** * ** *** **Enumerations** `MONDAY` :   The day of week named Monday. `TUESDAY` :   The day of week named Tuesday. `WEDNESDAY` :   The day of week named Wednesday. `THURSDAY` :   The day of week named Thursday. `FRIDAY` :   The day of week named Friday. `SATURDAY` :   The day of week named Saturday. `SUNDAY` :   The day of week named Sunday. <br /> |
| ### `startTime` | ` https://developers.google.com/ad-manager/api/reference/v202605/AdRuleService.TimeOfDay ` Represents the start time of the targeted period (inclusive). |
| ### `endTime` | ` https://developers.google.com/ad-manager/api/reference/v202605/AdRuleService.TimeOfDay ` Represents the end time of the targeted period (exclusive). |