## TimePeriodType enumeration

Used in a FormatConditionType.TimePeriod conditional formatting rule. 
These are dynamic time periods, which change based on
the date the conditional formatting is refreshed / applied.



The TimePeriodType type exposes the following members:

### Fields
| Field | Description |
| :- | :- |
| TODAY | Today's date. |
| YESTERDAY | Yesterday's date. |
| TOMORROW | Tomorrow's date. |
| LAST_7_DAYS | A date in the last seven days. |
| THIS_MONTH | A date occurring in this calendar month. |
| LAST_MONTH | A date occurring in the last calendar month. |
| NEXT_MONTH | A date occurring in the next calendar month. |
| THIS_WEEK | A date occurring this week. |
| LAST_WEEK | A date occurring last week. |
| NEXT_WEEK | A date occurring next week. |
| THIS_YEAR | A date occurring this year.
<br/>Only for .ods. |
| LAST_YEAR | A date occurring last year.
<br/>Only for .ods. |
| NEXT_YEAR | A date occurring next year.
<br/>Only for .ods. |



### See Also
* module [`aspose.cells`](..)