hugo-theme-hello-friend/layouts/partials/lastmod.html

{{$hourInSec := 3600}}}

{{ if gt .Lastmod (add (time .Date).Unix $hourInSec) }}
  {{ with .Lastmod }}
    <span class="post-moddate">
      ({{ $.Site.Params.LastModDisplay }} {{ .Format ($.Site.Params.DateFormatSingle | default "2006-01-02") }})
    </span>
  {{ end }}
{{ end }}
add time threshold (1 hr) for last mod display 2019-12-17 11:20:41 +07:00			`{{$hourInSec := 3600}}}`

			`{{ if gt .Lastmod (add (time .Date).Unix $hourInSec) }}`
add panr mods 2019-11-30 13:18:09 +07:00			`{{ with .Lastmod }}`
			`<span class="post-moddate">`
			`({{ $.Site.Params.LastModDisplay }} {{ .Format ($.Site.Params.DateFormatSingle \| default "2006-01-02") }})`
			`</span>`
			`{{ end }}`
			`{{ end }}`