diff --git a/auto/sources b/auto/sources
index b5bb92c..44fba51 100644
--- a/auto/sources
+++ b/auto/sources
@@ -19,6 +19,7 @@
            src/core/ngx_queue.h \
            src/core/ngx_string.h \
            src/core/ngx_parse.h \
+           src/core/ngx_parse_time.h \
            src/core/ngx_inet.h \
            src/core/ngx_file.h \
            src/core/ngx_crc.h \
@@ -53,6 +54,7 @@
            src/core/ngx_output_chain.c \
            src/core/ngx_string.c \
            src/core/ngx_parse.c \
+           src/core/ngx_parse_time.c \
            src/core/ngx_inet.c \
            src/core/ngx_file.c \
            src/core/ngx_crc32.c \
@@ -303,7 +305,6 @@
            src/http/ngx_http_script.c \
            src/http/ngx_http_upstream.c \
            src/http/ngx_http_upstream_round_robin.c \
-           src/http/ngx_http_parse_time.c \
            src/http/modules/ngx_http_static_module.c \
            src/http/modules/ngx_http_index_module.c \
            src/http/modules/ngx_http_chunked_filter_module.c \
diff --git a/src/core/ngx_core.h b/src/core/ngx_core.h
index a279c81..6b31705 100644
--- a/src/core/ngx_core.h
+++ b/src/core/ngx_core.h
@@ -54,6 +54,7 @@
 #include <ngx_process.h>
 #include <ngx_user.h>
 #include <ngx_parse.h>
+#include <ngx_parse_time.h>
 #include <ngx_log.h>
 #include <ngx_alloc.h>
 #include <ngx_palloc.h>
diff --git a/src/http/ngx_http_parse_time.c b/src/core/ngx_parse_time.c
similarity index 98%
rename from src/http/ngx_http_parse_time.c
rename to src/core/ngx_parse_time.c
index 985af31..831cc71 100644
--- a/src/http/ngx_http_parse_time.c
+++ b/src/core/ngx_parse_time.c
@@ -7,13 +7,12 @@
 
 #include <ngx_config.h>
 #include <ngx_core.h>
-#include <ngx_http.h>
 
 
 static ngx_uint_t  mday[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
 
 time_t
-ngx_http_parse_time(u_char *value, size_t len)
+ngx_parse_http_time(u_char *value, size_t len)
 {
     u_char      *p, *end;
     ngx_int_t    month;
diff --git a/src/core/ngx_parse_time.h b/src/core/ngx_parse_time.h
new file mode 100644
index 0000000..aa542eb
--- /dev/null
+++ b/src/core/ngx_parse_time.h
@@ -0,0 +1,22 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_PARSE_TIME_H_INCLUDED_
+#define _NGX_PARSE_TIME_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+time_t ngx_parse_http_time(u_char *value, size_t len);
+
+/* compatibility */
+#define ngx_http_parse_time(value, len)  ngx_parse_http_time(value, len)
+
+
+#endif /* _NGX_PARSE_TIME_H_INCLUDED_ */
diff --git a/src/http/modules/ngx_http_dav_module.c b/src/http/modules/ngx_http_dav_module.c
index 529aba5..b9fadd0 100644
--- a/src/http/modules/ngx_http_dav_module.c
+++ b/src/http/modules/ngx_http_dav_module.c
@@ -255,7 +255,7 @@
     ext.log = r->connection->log;
 
     if (r->headers_in.date) {
-        date = ngx_http_parse_time(r->headers_in.date->value.data,
+        date = ngx_parse_http_time(r->headers_in.date->value.data,
                                    r->headers_in.date->value.len);
 
         if (date != NGX_ERROR) {
diff --git a/src/http/modules/ngx_http_headers_filter_module.c b/src/http/modules/ngx_http_headers_filter_module.c
index a356814..985e5b3 100644
--- a/src/http/modules/ngx_http_headers_filter_module.c
+++ b/src/http/modules/ngx_http_headers_filter_module.c
@@ -498,7 +498,7 @@
     }
 
     r->headers_out.last_modified_time =
-        (value->len) ? ngx_http_parse_time(value->data, value->len) : -1;
+        (value->len) ? ngx_parse_http_time(value->data, value->len) : -1;
 
     return NGX_OK;
 }
diff --git a/src/http/modules/ngx_http_not_modified_filter_module.c b/src/http/modules/ngx_http_not_modified_filter_module.c
index acc94de..032ba96 100644
--- a/src/http/modules/ngx_http_not_modified_filter_module.c
+++ b/src/http/modules/ngx_http_not_modified_filter_module.c
@@ -118,7 +118,7 @@
         return 0;
     }
 
-    iums = ngx_http_parse_time(r->headers_in.if_unmodified_since->value.data,
+    iums = ngx_parse_http_time(r->headers_in.if_unmodified_since->value.data,
                                r->headers_in.if_unmodified_since->value.len);
 
     ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
@@ -148,7 +148,7 @@
         return 1;
     }
 
-    ims = ngx_http_parse_time(r->headers_in.if_modified_since->value.data,
+    ims = ngx_parse_http_time(r->headers_in.if_modified_since->value.data,
                               r->headers_in.if_modified_since->value.len);
 
     ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
diff --git a/src/http/modules/ngx_http_range_filter_module.c b/src/http/modules/ngx_http_range_filter_module.c
index bb9a42c..952da75 100644
--- a/src/http/modules/ngx_http_range_filter_module.c
+++ b/src/http/modules/ngx_http_range_filter_module.c
@@ -204,7 +204,7 @@
             goto next_filter;
         }
 
-        if_range_time = ngx_http_parse_time(if_range->data, if_range->len);
+        if_range_time = ngx_parse_http_time(if_range->data, if_range->len);
 
         ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                        "http ir:%d lm:%d",
diff --git a/src/http/ngx_http.h b/src/http/ngx_http.h
index 328f49e..844f502 100644
--- a/src/http/ngx_http.h
+++ b/src/http/ngx_http.h
@@ -148,9 +148,6 @@
 void ngx_http_clean_header(ngx_http_request_t *r);
 
 
-time_t ngx_http_parse_time(u_char *value, size_t len);
-
-
 ngx_int_t ngx_http_discard_request_body(ngx_http_request_t *r);
 void ngx_http_discarded_request_body_handler(ngx_http_request_t *r);
 void ngx_http_block_reading(ngx_http_request_t *r);
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index f525526..d423d8b 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -2195,7 +2195,7 @@
             return NGX_DECLINED;
         }
 
-        expires = ngx_http_parse_time(e->value.data, e->value.len);
+        expires = ngx_parse_http_time(e->value.data, e->value.len);
         if (expires == NGX_ERROR) {
             return NGX_DECLINED;
         }
@@ -2203,7 +2203,7 @@
         d = r->headers_out.date;
 
         if (d) {
-            date = ngx_http_parse_time(d->value.data, d->value.len);
+            date = ngx_parse_http_time(d->value.data, d->value.len);
             if (date == NGX_ERROR) {
                 return NGX_DECLINED;
             }
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 47b574e..4b0332a 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -3731,7 +3731,7 @@
 
     if (u->headers_in.last_modified) {
 
-        lm = ngx_http_parse_time(u->headers_in.last_modified->value.data,
+        lm = ngx_parse_http_time(u->headers_in.last_modified->value.data,
                                  u->headers_in.last_modified->value.len);
 
         if (lm != NGX_ERROR) {
@@ -4128,7 +4128,7 @@
 #if (NGX_HTTP_CACHE)
 
     if (u->cacheable) {
-        u->headers_in.last_modified_time = ngx_http_parse_time(h->value.data,
+        u->headers_in.last_modified_time = ngx_parse_http_time(h->value.data,
                                                                h->value.len);
     }
 
@@ -4292,7 +4292,7 @@
         return NGX_OK;
     }
 
-    expires = ngx_http_parse_time(h->value.data, h->value.len);
+    expires = ngx_parse_http_time(h->value.data, h->value.len);
 
     if (expires == NGX_ERROR || expires < ngx_time()) {
         u->cacheable = 0;