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

# DateUtils

export const LwTemplate = ({title = "Key questions to get you started", icon = "sparkles", cta = "Powered by Agent Studio", linkHref = "https://lucidworks.com/demo/?utm_source=docs&utm_medium=referral&utm_campaign=docs_cta_ai"}) => {
  const [isLoaded, setIsLoaded] = useState(false);
  useEffect(() => {
    const timer = setTimeout(() => {
      setIsLoaded(true);
    }, 500);
    return () => clearTimeout(timer);
  }, []);
  return <div className="lw-template-container">
      <Card title={title} icon={icon}>
        {isLoaded && <span dangerouslySetInnerHTML={{
    __html: `<lw-template id="a029c1a9-28be-427e-b0e1-5d918920246a"></lw-template
            >`
  }} />}
        <Link href={linkHref} className="agent-studio-link text-left text-gray-600 gap-2 dark:text-gray-400 text-sm font-medium flex flex-row items-center hover:text-primary dark:hover:text-primary-light group-hover:text-primary group-hover:dark:text-primary-light">Powered by Lucidworks Agent Studio</Link>
      </Card>
    </div>;
};

[localhost link]: http://localhost:3000/docs/5/app-studio/reference/services/lightning.DateUtils

[mintlify link]: https://doc.lucidworks.com/docs/5/app-studio/reference/services/lightning.DateUtils

[old doc.lw link]: https://doc.lucidworks.com/app-studio/4.2/1224

<LwTemplate />

## Description

Twigkit service for useful date functions

## Methods

### dateSortResults(results, dateField, oldestFirst)

Sort results array by date

#### Parameters

| Param       | Type    | Details                                                 |
| ----------- | ------- | ------------------------------------------------------- |
| results     | mixed   | Array of results from response                          |
| dateField   | string  | Result field to use for ordering                        |
| oldestFirst | boolean | If true the results will be order from oldest to newest |

#### Returns

|       |                         |
| ----- | ----------------------- |
| mixed | Sorted array of results |

### groupByDateRanges(results, dateField, groupBy)

Group results into date ranges, used for the timeline

#### Parameters

| Param     | Type   | Details                                                                              |
| --------- | ------ | ------------------------------------------------------------------------------------ |
| results   | mixed  | Sorted array of results                                                              |
| dateField | string | Result field to use for ordering                                                     |
| groupBy   | string | Optionally specify how to group the results, by default it tries to get the best fit |

#### Returns

|       |                          |
| ----- | ------------------------ |
| mixed | Array of grouped results |