diff --git a/post/post.go b/post/post.go
index e80b6d0..ee7e3d1 100644
--- a/post/post.go
+++ b/post/post.go
@@ -44,7 +44,7 @@ func ensureDirectory(file string) {
 }
 
 func makePostFile(dirsuffix string, title string, content string) string {
-	now := time.Now()
+	now := time.Now().UTC()
 	file := filename(dirsuffix, title, now)
 	ensureDirectory(file)
 	post := post{}