Searx/searx/templates/simple/time-range.html

<select name="time_range" id="time_range" class="time_range" tabindex="3">{{- '' -}}
    <option id="time-range-anytime" value="" {{ "selected" if time_range=="" or not time_range  else ""}}>
        {{- _('Anytime') -}}
    </option>{{- '' -}}
    <option id="time-range-day" value="day" {{ "selected" if time_range=="day" else ""}}>
        {{- _('Last day') -}}
    </option>{{- '' -}}
    <option id="time-range-week" value="week" {{ "selected" if time_range=="week" else ""}}>
        {{- _('Last week') -}}
    </option>{{- '' -}}
    <option id="time-range-month" value="month" {{ "selected" if time_range=="month" else ""}}>
        {{- _('Last month') -}}
    </option>{{- '' -}}
    <option id="time-range-year" value="year" {{ "selected" if time_range=="year" else ""}}>
        {{- _('Last year') -}}
    </option>{{- '' -}}
</select>