diff --git a/icu4c/BUILD.gn b/icu4c/BUILD.gn
index a4defcbc..8301dbb7 100644
--- a/icu4c/BUILD.gn
+++ b/icu4c/BUILD.gn
@@ -682,6 +682,8 @@ if (defined(is_arkui_x) && is_arkui_x) {
       "UPRV_BLOCK_MACRO_END=",
       "UCONFIG_USE_WINDOWS_LCID_MAPPING_API=0",
       "_REENTRANT",
+      "DISTRO_TZDATA_DIR=${distro_tzdata_dir}",
+      "SYSTEM_TZDATA_DIR=${system_tzdata_dir}",
     ]
     sources = icu_common_source
     cflags_cc = [