Can I show only time along with Apexcharts-card extremas?

I did try extremas: time but this gives me longest option possible with date and even with year, generally I hate unnecessary clutter in dashboard what I need is just time - so how?
Thanks

type: custom:apexcharts-card
graph_span: 48h
span:
  start: day
  offset: +0h
header:
  title: Nordpool 48h
  show: true
  show_states: true
  colorize_states: true
all_series_config:
  stroke_width: 3
  type: area
  show:
    offset_in_name: false
    legend_value: false
    datalabels: false
    extremas: time
  float_precision: 2
  opacity: 0.2
  fill_raw: last
now:
  show: true
  label: Now
  color: red
series:
  - entity: sensor.nordpool_kwh_ee_eur_3_10_024
    name: Today
    show:
      in_header: false
    extend_to: false
    data_generator: |
      return entity.attributes.raw_today.map((start, index) => {
        return [new Date(start["start"]).getTime(), entity.attributes.raw_today[index]["value"]];
      });
  - entity: sensor.nordpool_kwh_ee_eur_3_10_024
    name: Tomorrow
    show:
      in_header: false
    data_generator: |
      return entity.attributes.raw_tomorrow.map((start, index) => {
        return [new Date(start["start"]).getTime(), entity.attributes.raw_tomorrow[index]["value"]];
      });
  - entity: sensor.nordpool_kwh_ee_eur_3_10_024
    offset: "-24h"
    type: column
    name: Now
    group_by:
      duration: 1d
    show:
      in_header: true
      in_chart: false
      legend_value: false
    extend_to: end
  - entity: sensor.total_el_price
    offset: "-24h"
    type: column
    color: "#cccccc"
    float_precision: 2
    name: Final price
    group_by:
      duration: 1d
    show:
      in_header: true
      in_chart: false
      legend_value: false
    extend_to: end
apex_config:
  chart:
    height: 300px
    fill:
      type: gradient
      gradient:
        shadeIntensity: 1
        opacityFrom: 0.7
        opacityTo: 0.9
        stops:
          - 0
          - 90
          - 100
    animations:
      enabled: true
      easing: easeinout
      speed: 800
      animateGradually:
        enabled: true
        delay: 150
  zoom:
    enabled: true
    type: x
    autoScaleYaxis: true
    zoomedArea:
      fill:
        color: "#90CAF9"
        opacity: 0.4
      stroke:
        color: "#0D47A1"
        opacity: 0.4
        width: 1
  legend:
    show: false
    floating: true
    offsetY: 25
  yaxis:
    opposite: false
    reversed: false
    logarithmic: false
    decimalsInFloat: 2
    labels:
      show: true
    tooltip:
      enabled: true
    crosshairs:
      show: true
  xaxis:
    type: 'datetime'
    labels:
      show: true
      rotate: 0
      rotateAlways: true
      datetimeFormatter:
        hour: 'HH:mm'
    logarithmic: false
  stroke:
    show: true
    curve: stepline
    lineCap: butt
    colors: undefined
  plotOptions:
    candlestick:
      colors:
        upward: "#00B746"
        downward: "#efa83c"
      wick:
        useFillColor: true
  markers:
    size: 1
  grid:
    show: true
    strokeDashArray: 1
    position: front
    xaxis:
      lines:
        show: true