espresso_list_of_event_dates, without the times being displayed if you set a 'hide-event-times' custom field.

functions.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

function espresso_list_of_event_dates( $EVT_ID = FALSE, $dt_frmt = '', $tm_frmt = '', $echo = TRUE, $show_expired = NULL, $format = TRUE, $add_breaks = TRUE ) {
    $dt_frmt = ! empty( $dt_frmt ) ? $dt_frmt : get_option('date_format');
    $tm_frmt = ! empty( $tm_frmt ) ? $tm_frmt : get_option('time_format');
    $datetimes = EEH_Event_View::get_all_date_obj( $EVT_ID ,$show_expired );
    //d( $datetimes );
    if ( is_array( $datetimes ) && ! empty( $datetimes )) {
        global $post;
        $html = $format ? '<ul id="ee-event-datetimes-ul-' . $post->ID . '" class="ee-event-datetimes-ul">' : '';
        foreach ( $datetimes as $datetime ) {
            if ( $datetime instanceof EE_Datetime ) {
                if ( $format ) {
                    $html .= '<li id="ee-event-datetimes-li-' . $datetime->ID() . '" class="ee-event-datetimes-li">';
                    $datetime_name = $datetime->name();
                    $html .= ! empty( $datetime_name ) ? '<strong>' . $datetime_name . '</strong>' : '';
                    $html .= ! empty( $datetime_name )  && $add_breaks ? '<br />' : '';
                    $html .= '<span class="dashicons dashicons-calendar"></span>' . $datetime->date_range( $dt_frmt ) . '';
                    if(! get_post_meta( $EVT_ID, 'hide-event-times', true ) ) {
                        $html .= ! empty( $datetime_name )  && $add_breaks ? '<br />' : '';
                        $html .= '<br /><span class="dashicons dashicons-clock"></span>' . $datetime->time_range( $tm_frmt );
                    }
                    $datetime_description = $datetime->description();
                    $html .= ! empty( $datetime_description )  && $add_breaks ? '<br />' : '';
                    $html .= ! empty( $datetime_description ) ? ' - ' . $datetime_description : '';
                    $html = apply_filters( 'FHEE__espresso_list_of_event_dates__datetime_html', $html, $datetime );
                    $html .= '</li>';
                } else {
                    $html .= $datetime;
                    $html = apply_filters( 'FHEE__espresso_list_of_event_dates__datetime_html', $html, $datetime );
                }
            }
        }
        $html .= $format ? '</ul>' : '';
    } else {
        $html = $format ?  '<p><span class="dashicons dashicons-marker pink-text"></span>' . __( 'There are no upcoming dates for this event.', 'event_espresso' ) . '</p><br/>' : '';
    }
    if ( $echo ) {
        echo $html;
    } else {
        return $html;
    }
}