1 files changed, 6 insertions, 0 deletions
diff --git a/include/mbgl/util/time.hpp b/include/mbgl/util/time.hpp
index 9d61edf75e..e8afbeff6d 100644
--- a/include/mbgl/util/time.hpp
+++ b/include/mbgl/util/time.hpp
@@ -1,7 +1,9 @@
 #ifndef MBGL_UTIL_TIME
 #define MBGL_UTIL_TIME
 
+#include <string>
 #include <cstdint>
+#include <ctime>
 
 namespace mbgl {
 
@@ -15,6 +17,10 @@ namespace util {
 // comparisons between different timestamps produce meaningful values.
 timestamp now();
 
+
+// Returns the RFC1123 formatted date. E.g. "Tue, 04 Nov 2014 02:13:24 GMT"
+std::string rfc1123(std::time_t time);
+
 }
 
 // used for time conversions