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Represents a time period which is used in a date conditional formatting rule. These are dynamic time periods, which change based on the date when the conditional formatting rule is refreshed or applied.
public enum TimePeriod
  Public Enum TimePeriod
  | Name | Description | 
|---|---|
| Last7Days | Indicates a date in the last seven days.  | 
      
| LastMonth | Indicates a date that occurred in the last calendar month.  | 
      
| LastWeek | Indicates a date that occurred last week.  | 
      
| NextMonth | Indicates a date that occurs in the next calendar month.  | 
      
| NextWeek | Indicates a date that occurs next week.  | 
      
| ThisMonth | Indicates a date that occurs in this calendar month.  | 
      
| ThisWeek | Indicates a date that occurs this week.  | 
      
| Today | Indicates today's date.  | 
      
| Tomorrow | Indicates tomorrow's date.  | 
      
| Yesterday | Indicates yesterday's date.  |