diff --git a/include/haproxy/stats-file-t.h b/include/haproxy/stats-file-t.h
index ba0f77cb6..4e2e229a6 100644
--- a/include/haproxy/stats-file-t.h
+++ b/include/haproxy/stats-file-t.h
@@ -24,6 +24,9 @@ struct shm_stats_file_hdr {
 		uint8_t major;
 		uint8_t minor;
 	} version;
+	uint global_now_ms;   /* global monotonic date (ms) common to all processes using the shm */
+	ullong global_now_ns; /* global monotonic date (ns) common to all processes using the shm */
+	llong now_offset;     /* offset applied to global monotonic date on startup */
 };
 
 struct shm_stats_file_object {
diff --git a/src/stats-file.c b/src/stats-file.c
index edd43f4e7..9ecdcc694 100644
--- a/src/stats-file.c
+++ b/src/stats-file.c
@@ -538,10 +538,50 @@ int shm_stats_file_prepare(void)
 		memset(shm_stats_file_hdr, 0, sizeof(*shm_stats_file_hdr));
 		shm_stats_file_hdr->version.major = SHM_STATS_FILE_VER_MAJOR;
 		shm_stats_file_hdr->version.minor = SHM_STATS_FILE_VER_MINOR;
+
+		/* set global clock for the first time */
+		shm_stats_file_hdr->global_now_ms = *global_now_ms;
+		shm_stats_file_hdr->global_now_ns = *global_now_ns;
+		shm_stats_file_hdr->now_offset = clock_get_now_offset();
 	}
 	else if (!shm_stats_file_check_ver(shm_stats_file_hdr))
 		goto err_version;
 
+	/* from now on use the shared global time */
+	global_now_ms = &shm_stats_file_hdr->global_now_ms;
+	global_now_ns = &shm_stats_file_hdr->global_now_ns;
+
+	if (!first) {
+		llong adjt_offset;
+
+		/* set adjusted offset which corresponds to the corrected offset
+		 * relative to the initial offset stored in the shared memory instead
+		 * of our process-local one
+		 */
+		adjt_offset = -clock_get_now_offset() + shm_stats_file_hdr->now_offset;
+
+		/* we now rely on global_now_* from the shm, so the boot
+		 * offset that was initially applied in clock_init_process_date()
+		 * is no longer relevant. So we fix it by applying the one from the
+		 * initial process instead
+		 */
+		now_ns = now_ns + adjt_offset;
+		start_time_ns = start_time_ns + adjt_offset;
+		clock_set_now_offset(shm_stats_file_hdr->now_offset);
+
+		/* ensure global_now_* is consistent before continuing */
+		clock_update_global_date();
+	}
+
+	/* now that global_now_ns is accurate, recompute precise now_offset
+	 * if needed (in case it is dynamic when monotonic clock not available)
+	 */
+	if (!th_ctx->curr_mono_time)
+		clock_set_now_offset(HA_ATOMIC_LOAD(global_now_ns) - tv_to_ns(&date));
+
+	/* sync local and global clocks, so all clocks are consistent */
+	clock_update_date(0, 1);
+
  end:
 	return ERR_NONE;