---
title: "SOD(A)"
slug: "datetimetransform-template-7"
updated: 2021-11-16T12:21:59Z
published: 2021-11-16T12:21:59Z
canonical: "docs.datajet.app/datetimetransform-template-7"
---

> ## 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.

# SOD(A)

## DateTime Transform: SOD(A)

## Returns the number of seconds since the start of the day in DateTime A

## Purpose

Use this function to:

- Calculate the number of elapsed seconds since the start of the day

## Return Value

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

```shell
Example Return Value:  0 to 85399
```

![](https://cdn.document360.io/73b6469b-c1e4-47e9-aa65-986c8ebd17ca/Images/Documentation/DT_SOD_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. |
| **DateTime Function** | “p1”: “SOD(A)” | SOD(A) |
| **A** | “p2”: “DateTimeFieldName” “p2”: “#YYYY-MM-DD HH:MM:SS” | Required. The Datetime string from which to calculate seconds of the day. *Supports:* - **DataType:** Discrete / Continuous - **Field Type:** DateTime - **Fixed Value:** #YYYY-MM-DD HH:MM:SS, e.g. #2021-04-05 11:01:08 |

## JSON Sample

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

## Usage Notes

To return the second digits of DateTime field A, use the SECOND(A) function.

See Also

- HOD(A)  (DateTime)
- MOD(A)  (DateTime)
- Engineering | Expression Field

## Example

| Example | Details |
| --- | --- |
| **Description** | Calculate number of seconds since the start of the day that purchase occurred |
| **Input** | - Table: = [transactions] - Function: = DateTimeTransform - **DateTimeFunction: = SOD(A)** - A:= [transactions].[dtPurchase] - Name: =SOD_A |
| **Sample** | ![](https://cdn.document360.io/73b6469b-c1e4-47e9-aa65-986c8ebd17ca/Images/Documentation/DT_SOD_Example.png) |