# Time Picker Dialog Box

> **NOTE**<br>
> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.

You can display a time picker in a dialog box to allow users to select a time from the given range, which is from 00:00 to 23:59 by default.

## Required Permissions

None

## TimePickerDialog.show

show(options?: TimePickerDialogOptions)

Shows a time picker dialog box.

- options parameters
 | Name | Type | Mandatory | Default Value | Description |
 | -------- | -------- | -------- | -------- | -------- |
 | selected | Date | No | Current system time | Time of the selected item. |
 | useMilitaryTime | boolean | No | false | Whether to display time in 24-hour format. |
 | onAccept | (value: [TimePickerResult](ts-basic-components-timepicker.md#TimePickerResult)) => void | No | - | Callback invoked when the OK button in the dialog box is clicked. |
 | onCancel | () => void | No | - | Triggered when the Cancel button in the dialog box is clicked. |
 | onChange | (value: [TimePickerResult](ts-basic-components-timepicker.md#TimePickerResult)) => void | No | - | Callback invoked when the selected item in the picker changes. |

## Example

### Time Picker Sample Code (24-Hour Clock)
```
@Entry
@Component
struct TimePickerDialogExample01 {
  @State isUseMilitaryTime: boolean = true

  build() {
    Flex({direction: FlexDirection.Column, alignItems: ItemAlign.Center,
      justifyContent: FlexAlign.Center }) {
      Button("TimePickerDialog").onClick(() => {
        TimePickerDialog.show({
          useMilitaryTime: this.isUseMilitaryTime,
          onAccept: (value: TimePickerResult) => {
            console.info("TimePickerDialog:onAccept()" + JSON.stringify(value))
          },
          onCancel: () => {
            console.info("TimePickerDialog:onCancel()")
          },
          onChange: (value: TimePickerResult) => {
            console.info("TimePickerDialog:onChange()" + JSON.stringify(value))
          }
        })
      })
    }
  }
}
```
### Time Picker Sample Code (12-Hour Clock)
```
@Entry
@Component
struct TimePickerDialogExample02 {
  @State isUseMilitaryTime: boolean = false

  build() {
    Flex({direction: FlexDirection.Column, alignItems: ItemAlign.Center,
      justifyContent: FlexAlign.Center }) {
      Button("TimePickerDialog").onClick(() => {
        TimePickerDialog.show({
          useMilitaryTime: this.isUseMilitaryTime,
          onAccept: (value: TimePickerResult) => {
            console.info("TimePickerDialog:onAccept()" + JSON.stringify(value))
          },
          onCancel: () => {
            console.info("TimePickerDialog:onCancel()")
          },
          onChange: (value: TimePickerResult) => {
            console.info("TimePickerDialog:onChange()" + JSON.stringify(value))
          }
        })
      })
    }
  }
}
```