diff --git a/tests/pass-dep/libc/libc-time.rs b/tests/pass-dep/libc/libc-time.rs
index b679d1924d..06af1e8c85 100644
--- a/tests/pass-dep/libc/libc-time.rs
+++ b/tests/pass-dep/libc/libc-time.rs
@@ -125,7 +125,7 @@ fn test_localtime_r_gmt() {
 fn test_localtime_r_pst() {
     let key = "TZ";
     env::set_var(key, "PST8PDT");
-    const TIME_SINCE_EPOCH: libc::time_t = 1712475836;
+    const TIME_SINCE_EPOCH: libc::time_t = 1712475836;// 2024-04-07 07:43:56 GMT
     let custom_time_ptr = &TIME_SINCE_EPOCH;
     let mut tm = create_empty_tm();