diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index 0783271f473..fa464226a2a 100644
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -2246,7 +2246,6 @@ print_status_initialize(vdev_stat_t *vs, boolean_t verbose)
 		    !vs->vs_scan_removing) {
 			char zbuf[1024];
 			char tbuf[256];
-			struct tm zaction_ts;
 
 			time_t t = vs->vs_initialize_action_time;
 			int initialize_pct = 100;
@@ -2256,8 +2255,8 @@ print_status_initialize(vdev_stat_t *vs, boolean_t verbose)
 				    100 / (vs->vs_initialize_bytes_est + 1));
 			}
 
-			(void) localtime_r(&t, &zaction_ts);
-			(void) strftime(tbuf, sizeof (tbuf), "%c", &zaction_ts);
+			(void) ctime_r(&t, tbuf);
+			tbuf[24] = 0;
 
 			switch (vs->vs_initialize_state) {
 			case VDEV_INITIALIZE_SUSPENDED:
@@ -2297,7 +2296,6 @@ print_status_trim(vdev_stat_t *vs, boolean_t verbose)
 		    !vs->vs_scan_removing) {
 			char zbuf[1024];
 			char tbuf[256];
-			struct tm zaction_ts;
 
 			time_t t = vs->vs_trim_action_time;
 			int trim_pct = 100;
@@ -2306,8 +2304,8 @@ print_status_trim(vdev_stat_t *vs, boolean_t verbose)
 				    100 / (vs->vs_trim_bytes_est + 1));
 			}
 
-			(void) localtime_r(&t, &zaction_ts);
-			(void) strftime(tbuf, sizeof (tbuf), "%c", &zaction_ts);
+			(void) ctime_r(&t, tbuf);
+			tbuf[24] = 0;
 
 			switch (vs->vs_trim_state) {
 			case VDEV_TRIM_SUSPENDED:
@@ -9898,12 +9896,11 @@ print_history_records(nvlist_t *nvhis, hist_cbdata_t *cb)
 
 		if (nvlist_exists(rec, ZPOOL_HIST_TIME)) {
 			time_t tsec;
-			struct tm t;
 
 			tsec = fnvlist_lookup_uint64(records[i],
 			    ZPOOL_HIST_TIME);
-			(void) localtime_r(&tsec, &t);
-			(void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
+			(void) ctime_r(&tsec, tbuf);
+			tbuf[24] = 0;
 		}
 
 		if (nvlist_exists(rec, ZPOOL_HIST_ELAPSED_NS)) {
diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index 402c14a6bae..841af5ecc80 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -1899,7 +1899,8 @@ zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun,
 	(void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss);
 
 	if (localtime_r((time_t *)&rewindto, &t) != NULL &&
-	    strftime(timestr, 128, "%c", &t) != 0) {
+	    ctime_r((time_t *)&rewindto, timestr) != NULL) {
+		timestr[24] = 0;
 		if (dryrun) {
 			(void) printf(dgettext(TEXT_DOMAIN,
 			    "Would be able to return %s "
@@ -1961,7 +1962,8 @@ zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason,
 	    "Recovery is possible, but will result in some data loss.\n"));
 
 	if (localtime_r((time_t *)&rewindto, &t) != NULL &&
-	    strftime(timestr, 128, "%c", &t) != 0) {
+	    ctime_r((time_t *)&rewindto, timestr) != NULL) {
+		timestr[24] = 0;
 		(void) printf(dgettext(TEXT_DOMAIN,
 		    "\tReturning the pool to its state as of %s\n"
 		    "\tshould correct the problem.  "),