diff --git a/time/chrono/+freebsd.ha b/time/chrono/+freebsd.ha
index af49080e..3dde7963 100644
--- a/time/chrono/+freebsd.ha
+++ b/time/chrono/+freebsd.ha
@@ -2,8 +2,8 @@
 // (c) Hare authors <https://harelang.org>

 def LOCALTIME_PATH: str = "/etc/localtime";
-def TZDB_PATH: str = "/usr/share/zoneinfo/";
+def TZDB_PATH: str = "@tzdata@/share/zoneinfo/";

 // The filepath of the system's "leap-seconds.list" file, which contains UTC/TAI
 // leap second data.
-export def UTC_LEAPSECS_PATH: str = "/var/db/ntpd.leap-seconds.list";
+export def UTC_LEAPSECS_PATH: str = "@tzdata@/share/zoneinfo/leap-seconds.list";
diff --git a/time/chrono/+linux.ha b/time/chrono/+linux.ha
index 2756fd6f..1ea22385 100644
--- a/time/chrono/+linux.ha
+++ b/time/chrono/+linux.ha
@@ -2,8 +2,8 @@
 // (c) Hare authors <https://harelang.org>

 def LOCALTIME_PATH: str = "/etc/localtime";
-def TZDB_PATH: str = "/usr/share/zoneinfo/";
+def TZDB_PATH: str = "@tzdata@/share/zoneinfo/";

 // The filepath of the system's "leap-seconds.list" file, which contains UTC/TAI
 // leap second data.
-export def UTC_LEAPSECS_PATH: str = "/usr/share/zoneinfo/leap-seconds.list";
+export def UTC_LEAPSECS_PATH: str = "@tzdata@/share/zoneinfo/leap-seconds.list";
diff --git a/time/chrono/+openbsd.ha b/time/chrono/+openbsd.ha
index 2756fd6f..1ea22385 100644
--- a/time/chrono/+openbsd.ha
+++ b/time/chrono/+openbsd.ha
@@ -2,8 +2,8 @@
 // (c) Hare authors <https://harelang.org>

 def LOCALTIME_PATH: str = "/etc/localtime";
-def TZDB_PATH: str = "/usr/share/zoneinfo/";
+def TZDB_PATH: str = "@tzdata@/share/zoneinfo/";

 // The filepath of the system's "leap-seconds.list" file, which contains UTC/TAI
 // leap second data.
-export def UTC_LEAPSECS_PATH: str = "/usr/share/zoneinfo/leap-seconds.list";
+export def UTC_LEAPSECS_PATH: str = "@tzdata@/share/zoneinfo/leap-seconds.list";