diff --git a/headers/os/support/parsedate.h b/headers/os/support/parsedate.h
new file mode 100644
index 0000000000..3530babc1c
--- /dev/null
+++ b/headers/os/support/parsedate.h
@@ -0,0 +1,33 @@
+#ifndef _PARSEDATE_H
+#define _PARSEDATE_H
+/* 
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <time.h>
+
+
+/* flags that will be set in the flags field by parsedate_etc() */
+#define PARSEDATE_RELATIVE_TIME			0x0001
+// ToDo: the following flags are not part of the R5 implementation and preliminary only
+#define PARSEDATE_DAY_RELATIVE_TIME		PARSEDATE_RELATIVE_TIME
+#define PARSEDATE_MINUTE_RELATIVE_TIME	0x0002
+#define PARSEDATE_INVALID_DATE			0x0100
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern time_t	parsedate(const char *dateString, time_t now);
+extern time_t	parsedate_etc(const char *dateString, time_t now, int *_storedFlags);
+
+extern void		set_dateformats(const char *table[]);
+extern const char **get_dateformats(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _PARSEDATE_H */