Timepicker ignores provided moment adapter

[mrbreck]

Which @angular/* package(s) are the source of the bug?

Don't known / other

Is this a regression?

No

Description

Timepicker is either not using the provided moment adapter or is ignoring the "useUtc" setting. If I set "useUtc" to "true" on the adapter then it works for any Datepicker in the component, but any Timepicker has "_isUtc" set to false.

Even when binding the Datepicker and Timepicker to the same property, changing the Date will instantiate and bind to a new moment object with "_isUtc" set to "true", but changing the Time will instantiate and bind to a new moment object with "_isUtc" set to "false."

Please provide a link to a minimal reproduction of the bug

No response

Please provide the exception or error you saw

Please provide the environment you discovered this bug in (run ng version)

Anything else?

No response

[crisbeto]

I couldn't reproduce it with the following setup:

import {ChangeDetectionStrategy, Component} from '@angular/core';
import {FormControl, ReactiveFormsModule} from '@angular/forms';
import {MatTimepickerModule} from '@angular/material/timepicker';
import {MatFormFieldModule} from '@angular/material/form-field';
import {MatInputModule} from '@angular/material/input';
import {provideMomentDateAdapter} from '@angular/material-moment-adapter';

@Component({
  selector: 'timepicker-demo',
  template: `
    <mat-form-field>
      <mat-label>Pick a time</mat-label>
      <input
        matInput
        [matTimepicker]="basicPicker"
        [formControl]="control">
      <mat-timepicker #basicPicker/>
      <mat-timepicker-toggle [for]="basicPicker" matSuffix/>
    </mat-form-field>
  `,
  changeDetection: ChangeDetectionStrategy.OnPush,
  providers: [provideMomentDateAdapter(undefined, {useUtc: true})],
  imports: [MatTimepickerModule, MatFormFieldModule, MatInputModule, ReactiveFormsModule],
})
export class TimepickerDemo {
  control: FormControl<unknown>;

  constructor() {
    this.control = new FormControl();

    this.control.valueChanges.subscribe((value: any) => {
      console.log(value?.isUTC());
    });
  }
}

Closing since we can't investigate without a reproduction.

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