diff --git a/layouts/index.gmi b/layouts/index.gmi
index 038166c..e1309e8 100644
--- a/layouts/index.gmi
+++ b/layouts/index.gmi
@@ -3,7 +3,7 @@
 ## Gemlog posts
 {{ range (where .Site.RegularPages "Section" "posts") }}
 {{- if .OutputFormats.Get "gemtext" }}
-=> {{replace .Permalink "/gemini" "" 1}} {{.Date.Format "January 2, 2006"}}: {{.Title | safeHTML}}{{ end }}{{ end }}
+=> {{replace .Permalink "/gemini" "" 1}} {{ .Date.Format "2006-01-02" }}: {{.Title | safeHTML}}{{ end }}{{ end }}
 
 => posts/index.xml RSS feed
 
diff --git a/layouts/posts/single.gmi b/layouts/posts/single.gmi
index 4b6db88..4fa898b 100644
--- a/layouts/posts/single.gmi
+++ b/layouts/posts/single.gmi
@@ -1,5 +1,5 @@
 # {{$.Title | safeHTML}}
-{{.Date.Format "January 2, 2006"}}
+{{ .Date.Format "2006-01-02" }}
 
 {{ trim (readFile (replace $.File.Path ".md" ".gmi")) "\n" | safeHTML }}