---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/tools/datetime_extended/variables/dateCalendarInfoTool.md
description: Get calendar metadata for a date.
---

# Variable: dateCalendarInfoTool

```ts
const dateCalendarInfoTool: Tool<SpooledArtifact>;
```

Defined in: [batteries/tools/datetime\_extended/index.ts:156](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/batteries/tools/datetime_extended/index.ts#L156)

Get calendar metadata for a date.

## Remarks

Reports ISO week number, day of year, calendar quarter, fiscal quarter/year (configurable via
`fiscal_year_start_month`), week of month, and whether the date is a weekend. Accepts ISO
dates, natural-language ("next Tuesday"), and `now`.