diff --git a/absl/time/internal/cctz/src/cctz_benchmark.cc b/absl/time/internal/cctz/src/cctz_benchmark.cc
index 11f9ba6c65e..4a5ac1ba958 100644
--- a/absl/time/internal/cctz/src/cctz_benchmark.cc
+++ b/absl/time/internal/cctz/src/cctz_benchmark.cc
@@ -23,7 +23,7 @@
 #include "benchmark/benchmark.h"
 #include "absl/time/internal/cctz/include/cctz/civil_time.h"
 #include "absl/time/internal/cctz/include/cctz/time_zone.h"
-#include "time_zone_impl.h"
+#include "absl/time/internal/cctz/src/time_zone_impl.h"
 
 namespace {
 
diff --git a/absl/time/internal/cctz/src/time_zone_fixed.cc b/absl/time/internal/cctz/src/time_zone_fixed.cc
index e09654eaf33..ed7f9cb97ac 100644
--- a/absl/time/internal/cctz/src/time_zone_fixed.cc
+++ b/absl/time/internal/cctz/src/time_zone_fixed.cc
@@ -12,7 +12,7 @@
 //   See the License for the specific language governing permissions and
 //   limitations under the License.
 
-#include "time_zone_fixed.h"
+#include "absl/time/internal/cctz/src/time_zone_fixed.h"
 
 #include <algorithm>
 #include <cassert>
diff --git a/absl/time/internal/cctz/src/time_zone_format.cc b/absl/time/internal/cctz/src/time_zone_format.cc
index e7e30a2fb78..0e5f32f14a0 100644
--- a/absl/time/internal/cctz/src/time_zone_format.cc
+++ b/absl/time/internal/cctz/src/time_zone_format.cc
@@ -46,7 +46,7 @@
 #endif
 
 #include "absl/time/internal/cctz/include/cctz/civil_time.h"
-#include "time_zone_if.h"
+#include "absl/time/internal/cctz/src/time_zone_if.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_if.cc b/absl/time/internal/cctz/src/time_zone_if.cc
index 0e65cd9e73a..09f83e82f77 100644
--- a/absl/time/internal/cctz/src/time_zone_if.cc
+++ b/absl/time/internal/cctz/src/time_zone_if.cc
@@ -12,11 +12,11 @@
 //   See the License for the specific language governing permissions and
 //   limitations under the License.
 
-#include "time_zone_if.h"
+#include "absl/time/internal/cctz/src/time_zone_if.h"
 
 #include "absl/base/config.h"
-#include "time_zone_info.h"
-#include "time_zone_libc.h"
+#include "absl/time/internal/cctz/src/time_zone_info.h"
+#include "absl/time/internal/cctz/src/time_zone_libc.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_impl.cc b/absl/time/internal/cctz/src/time_zone_impl.cc
index aadbb77da28..5f2f49e424f 100644
--- a/absl/time/internal/cctz/src/time_zone_impl.cc
+++ b/absl/time/internal/cctz/src/time_zone_impl.cc
@@ -12,7 +12,7 @@
 //   See the License for the specific language governing permissions and
 //   limitations under the License.
 
-#include "time_zone_impl.h"
+#include "absl/time/internal/cctz/src/time_zone_impl.h"
 
 #include <deque>
 #include <memory>
@@ -22,7 +22,7 @@
 #include <utility>
 
 #include "absl/base/config.h"
-#include "time_zone_fixed.h"
+#include "absl/time/internal/cctz/src/time_zone_fixed.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_impl.h b/absl/time/internal/cctz/src/time_zone_impl.h
index 8308a3b49e0..da3aec525c4 100644
--- a/absl/time/internal/cctz/src/time_zone_impl.h
+++ b/absl/time/internal/cctz/src/time_zone_impl.h
@@ -21,8 +21,8 @@
 #include "absl/base/config.h"
 #include "absl/time/internal/cctz/include/cctz/civil_time.h"
 #include "absl/time/internal/cctz/include/cctz/time_zone.h"
-#include "time_zone_if.h"
-#include "time_zone_info.h"
+#include "absl/time/internal/cctz/src/time_zone_if.h"
+#include "absl/time/internal/cctz/src/time_zone_info.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_info.cc b/absl/time/internal/cctz/src/time_zone_info.cc
index b7178a6b67e..f8484c9050a 100644
--- a/absl/time/internal/cctz/src/time_zone_info.cc
+++ b/absl/time/internal/cctz/src/time_zone_info.cc
@@ -30,7 +30,7 @@
 // Note that we assume the proleptic Gregorian calendar and 60-second
 // minutes throughout.
 
-#include "time_zone_info.h"
+#include "absl/time/internal/cctz/src/time_zone_info.h"
 
 #include <algorithm>
 #include <cassert>
@@ -49,8 +49,8 @@
 
 #include "absl/base/config.h"
 #include "absl/time/internal/cctz/include/cctz/civil_time.h"
-#include "time_zone_fixed.h"
-#include "time_zone_posix.h"
+#include "absl/time/internal/cctz/src/time_zone_fixed.h"
+#include "absl/time/internal/cctz/src/time_zone_posix.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_info.h b/absl/time/internal/cctz/src/time_zone_info.h
index 689df6f9c0e..efe2f9cbfb6 100644
--- a/absl/time/internal/cctz/src/time_zone_info.h
+++ b/absl/time/internal/cctz/src/time_zone_info.h
@@ -26,8 +26,8 @@
 #include "absl/time/internal/cctz/include/cctz/civil_time.h"
 #include "absl/time/internal/cctz/include/cctz/time_zone.h"
 #include "absl/time/internal/cctz/include/cctz/zone_info_source.h"
-#include "time_zone_if.h"
-#include "tzfile.h"
+#include "absl/time/internal/cctz/src/time_zone_if.h"
+#include "absl/time/internal/cctz/src/tzfile.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_libc.cc b/absl/time/internal/cctz/src/time_zone_libc.cc
index b509402783d..362da1ab58b 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.cc
+++ b/absl/time/internal/cctz/src/time_zone_libc.cc
@@ -16,7 +16,7 @@
 #define _CRT_SECURE_NO_WARNINGS 1
 #endif
 
-#include "time_zone_libc.h"
+#include "absl/time/internal/cctz/src/time_zone_libc.h"
 
 #include <chrono>
 #include <ctime>
diff --git a/absl/time/internal/cctz/src/time_zone_libc.h b/absl/time/internal/cctz/src/time_zone_libc.h
index ae2107376f0..f1ed5cd08f1 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.h
+++ b/absl/time/internal/cctz/src/time_zone_libc.h
@@ -19,7 +19,7 @@
 #include <string>
 
 #include "absl/base/config.h"
-#include "time_zone_if.h"
+#include "absl/time/internal/cctz/src/time_zone_if.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_lookup.cc b/absl/time/internal/cctz/src/time_zone_lookup.cc
index 989a564054c..80f73199ff4 100644
--- a/absl/time/internal/cctz/src/time_zone_lookup.cc
+++ b/absl/time/internal/cctz/src/time_zone_lookup.cc
@@ -55,8 +55,8 @@
 #include <cstring>
 #include <string>
 
-#include "time_zone_fixed.h"
-#include "time_zone_impl.h"
+#include "absl/time/internal/cctz/src/time_zone_fixed.h"
+#include "absl/time/internal/cctz/src/time_zone_impl.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
diff --git a/absl/time/internal/cctz/src/time_zone_posix.cc b/absl/time/internal/cctz/src/time_zone_posix.cc
index 5cdd09e89d0..efea080470d 100644
--- a/absl/time/internal/cctz/src/time_zone_posix.cc
+++ b/absl/time/internal/cctz/src/time_zone_posix.cc
@@ -12,7 +12,7 @@
 //   See the License for the specific language governing permissions and
 //   limitations under the License.
 
-#include "time_zone_posix.h"
+#include "absl/time/internal/cctz/src/time_zone_posix.h"
 
 #include <cstddef>
 #include <cstring>