## 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.
### Values
| Name | Value | Description |
| --- | --- | --- |
| Today | `0` | Today's date. |
| Yesterday | `1` | Yesterday's date. |
| Tomorrow | `2` | Tomorrow's date. |
| Last7Days | `3` | A date in the last seven days. |
| ThisMonth | `4` | A date occurring in this calendar month. |
| LastMonth | `5` | A date occurring in the last calendar month. |
| NextMonth | `6` | A date occurring in the next calendar month. |
| ThisWeek | `7` | A date occurring this week. |
| LastWeek | `8` | A date occurring last week. |
| NextWeek | `9` | A date occurring next week. |
| ThisYear | `10` | A date occurring this year. Only for .ods. |
| LastYear | `11` | A date occurring last year. Only for .ods. |
| NextYear | `12` | A date occurring next year. Only for .ods. |