4 files changed, 33 insertions, 19 deletions

diff --git a/assets/cgit.css b/assets/cgit.css
index 5f6ad42..dbf76e9 100644
--- a/assets/cgit.css
+++ b/assets/cgit.css
@@ -1099,37 +1099,37 @@ div#cgit ul.pager .current {
 
 /* Ages / line counts */
 
-div#cgit span.age-mins,
-div#cgit span.age-hours,
-div#cgit span.age-days,
-div#cgit span.age-weeks,
-div#cgit span.age-months,
-div#cgit span.age-years {
+div#cgit time.age-mins,
+div#cgit time.age-hours,
+div#cgit time.age-days,
+div#cgit time.age-weeks,
+div#cgit time.age-months,
+div#cgit time.age-years {
   white-space: nowrap;
 }
 
-div#cgit span.age-mins {
+div#cgit time.age-mins {
   font-weight: bold;
   color: var(--age-mins);
 }
 
-div#cgit span.age-hours {
+div#cgit time.age-hours {
   color: var(--age-hours);
 }
 
-div#cgit span.age-days {
+div#cgit time.age-days {
   color: var(--age-days);
 }
 
-div#cgit span.age-weeks {
+div#cgit time.age-weeks {
   color: var(--age-weeks);
 }
 
-div#cgit span.age-months {
+div#cgit time.age-months {
   color: var(--age-months);
 }
 
-div#cgit span.age-years {
+div#cgit time.age-years {
   color: var(--age-years);
 }
 
diff --git a/source/ui-commit.c b/source/ui-commit.c
index 4838210..5a71954 100644
--- a/source/ui-commit.c
+++ b/source/ui-commit.c
@@ -34,9 +34,11 @@ static void print_ident_row(const char *role, const char *name,
 		html_txt(email);
 	}
 	cgit_close_filter(ctx.repo->email_filter);
-	html("</td><td class='right'>");
+	html("</td><td class='right'><time datetime='");
+	html_attr(show_date(date, tz, cgit_date_mode(DATE_ISO8601_STRICT)));
+	html("'>");
 	html_txt(show_date(date, tz, cgit_date_mode(DATE_ISO8601)));
-	html("</td></tr>\n");
+	html("</time></td></tr>\n");
 }
 
 static int print_parent_rows(struct commit *commit, const char *rev,
diff --git a/source/ui-shared.c b/source/ui-shared.c
index 7a2255e..1f45520 100644
--- a/source/ui-shared.c
+++ b/source/ui-shared.c
@@ -289,9 +289,16 @@ static struct date_mode configured_date_mode(void)
 	return mode;
 }
 
+/*
+ * Dates render as time elements, whose datetime attribute wants the strict
+ * ISO 8601 form with the T separator rather than the space git prints by
+ * default.
+ */
 static void print_abs_date(time_t t, int tz)
 {
-	html("<span title='");
+	html("<time datetime='");
+	html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601_STRICT)));
+	html("' title='");
 	html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
 	html("'>");
 	html_txt(show_date(t, tz, configured_date_mode()));
@@ -301,9 +308,11 @@ static void print_abs_date(time_t t, int tz)
 static void print_rel_date(time_t t, int tz, double count, const char *class,
 			   const char *suffix)
 {
-	htmlf("<span class='%s' data-ut='%" PRIu64 "' title='", class, (uint64_t)t);
+	htmlf("<time class='%s' datetime='", class);
+	html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601_STRICT)));
+	htmlf("' data-ut='%" PRIu64 "' title='", (uint64_t)t);
 	html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
-	htmlf("'>%.0f %s</span>", count, suffix);
+	htmlf("'>%.0f %s</time>", count, suffix);
 }
 
 static char *http_date(time_t t)
diff --git a/source/ui-tag.c b/source/ui-tag.c
index 7020ed7..8bfbd8e 100644
--- a/source/ui-tag.c
+++ b/source/ui-tag.c
@@ -75,10 +75,13 @@ static void print_annotated_tag(const char *revname,
 	html_txt(revname);
 	htmlf(" (<span class='oid'>%s</span>)</td></tr>\n", oid_to_hex(oid));
 	if (info->tagger_date > 0) {
-		html("<tr><th>tag date</th><td>");
+		html("<tr><th>tag date</th><td><time datetime='");
+		html_attr(show_date(info->tagger_date, info->tagger_tz,
+					cgit_date_mode(DATE_ISO8601_STRICT)));
+		html("'>");
 		html_txt(show_date(info->tagger_date, info->tagger_tz,
 					cgit_date_mode(DATE_ISO8601)));
-		html("</td></tr>\n");
+		html("</time></td></tr>\n");
 	}
 	if (info->tagger) {
 		html("<tr><th>tagged by</th><td>");