---
title: "DatePickerFormatter"
description: "A date formatter interface used by [DatePicker]."
type: "interface"
---

<div class='type'>Interface</div>


<a id='references'></a>

<div class='sourceset sourceset-common'>Common</div>



```kotlin
interface DatePickerFormatter
```


A date formatter interface used by `DatePicker`.


## Functions

```kotlin
fun formatMonthYear(@Suppress("AutoBoxing") monthMillis: Long?, locale: CalendarLocale): String?
```


Format a given `monthMillis` to a string representation of the month and the year (i.e.
January 2023).

#### Parameters

| | |
| --- | --- |
| monthMillis | timestamp in _UTC_ milliseconds from the epoch that represents the month |
| locale | a `CalendarLocale` to use when formatting the month and year |



```kotlin
fun formatDate(
        @Suppress("AutoBoxing") dateMillis: Long?,
        locale: CalendarLocale,
        forContentDescription: Boolean = false,
    ): String?
```


Format a given `dateMillis` to a string representation of the date (i.e. Mar 27, 2021).

#### Parameters

| | |
| --- | --- |
| dateMillis | timestamp in _UTC_ milliseconds from the epoch that represents the date |
| locale | a `CalendarLocale` to use when formatting the date |
| forContentDescription | indicates that the requested formatting is for content description. In these cases, the output may include a more descriptive wording that will be passed to a screen readers. |