---
title: "DATE(A)"
slug: "engineeringdatefunction2-5"
updated: 2021-10-14T12:45:23Z
published: 2021-10-14T12:45:24Z
canonical: "docs.datajet.app/engineeringdatefunction2-5"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.datajet.app/llms.txt
> Use this file to discover all available pages before exploring further.

# DATE(A)

## Date Transform: DATE(A)

## Turns a continuous DateTime field into a discrete Date field, or creates a copy of a Date field.

## Purpose

Use this function to:

- Create a copy of an existing date field
- Create a discrete Date field from a continuous DateTime field
- Create a single fixed date field

## Return Value

| Property | Value |
| --- | --- |
| **FieldType** | Date |
| **FieldSize** | Med |
| **DataType** | Discrete |
| **DataSize** | Short |

```shell
Example Return Value:  2021-01-05
```

![](https://cdn.document360.io/73b6469b-c1e4-47e9-aa65-986c8ebd17ca/Images/Documentation/DATE_Sample.PNG)

## Parameters

| Parameter | JSON | Description |
| --- | --- | --- |
| **Table** | “targetTable”: “MyTableName” | The target table on which the new field will be created |
| **Filter** | “dataset”: {DataSet_JSON} | Optional. If a filter is applied, records not in the filter Recordset will be returned as null. |
| **DateTimeFunction** | “p1”: “DATE(A)” | DATE(A) |
| **A** | “p2”: “DateTimeFieldName” “p2”: “DateFieldName” “p2”: “#YYYY-MM-DD HH:MM:SS” “p2”: “#YYYY-MM-DD” | Required. *Supports:* - **DataType:** Discrete / Continuous - **Field Type:** Date, DateTime - **Fixed Value:** #YYYY-MM-DD, e.g. #2021-04-05 |

## JSON Sample

![](https://cdn.document360.io/73b6469b-c1e4-47e9-aa65-986c8ebd17ca/Images/Documentation/DATE_JSON.PNG)

## Usage Notes

To create copies of date fields with a subset of all available values, use DATE(A) with a filter.

Use DATE(A) to create a discrete Date field from a continuous DateTime field so that the field can be used in analytics and engineering that do not support continuous fields.

## Example

| Example | Details |
| --- | --- |
| **Description** | Create a date field from DateTime field |
| **Input** | - Table: = [transactions] - Function: = DateTransform - **DateTimeFunction: = DATE(A)** - A:= [transactions].[dtShipping] - Name: = DateOfShipping |
| **Sample** | ![](https://cdn.document360.io/73b6469b-c1e4-47e9-aa65-986c8ebd17ca/Images/Documentation/DATE_Example.PNG) |