diff --git a/bin/ps/print.c b/bin/ps/print.c
index bcd451e1fb59..40ecd07d0318 100644
--- a/bin/ps/print.c
+++ b/bin/ps/print.c
@@ -383,7 +383,6 @@ started(KINFO *k, VARENT *ve __unused)
 {
 	time_t then;
 	struct tm *tp;
-	static int use_ampm = -1;
 	size_t buflen = 100;
 	char *buf;
 
@@ -394,16 +393,12 @@ started(KINFO *k, VARENT *ve __unused)
 	if (buf == NULL)
 		errx(1, "malloc failed");
 
-	if (use_ampm < 0)
-		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
 	then = k->ki_p->ki_start.tv_sec;
 	tp = localtime(&then);
 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
-		(void)strftime(buf, buflen,
-		    use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
+		(void)strftime(buf, buflen, "%H:%M  ", tp);
 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
-		(void)strftime(buf, buflen,
-		    use_ampm ? "%a%I%p" : "%a%H  ", tp);
+		(void)strftime(buf, buflen, "%a%H  ", tp);
 	} else
 		(void)strftime(buf, buflen, "%e%b%y", tp);
 	return (buf);
diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index 7e26dd905a74..6eead7606890 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -381,12 +381,12 @@ the real memory (resident set) size of the process (in 1024 byte units).
 The time the command started.
 If the command started less than 24 hours ago, the start time is
 displayed using the
-.Dq Li %l:ps.1p
+.Dq Li %H:%M
 format described in
 .Xr strftime 3 .
 If the command started less than 7 days ago, the start time is
 displayed using the
-.Dq Li %a6.15p
+.Dq Li %a%H
 format.
 Otherwise, the start time is displayed using the
 .Dq Li %e%b%y