diff --git a/library/time_convert_time.c b/library/time_convert_time.c
new file mode 100644
index 0000000..5b2132f
--- /dev/null
+++ b/library/time_convert_time.c
@@ -0,0 +1,72 @@
+/*
+ * $Id: time_convert_time.c,v 1.1 2005-01-29 18:22:19 obarthel Exp $
+ *
+ * :ts=4
+ *
+ * Portable ISO 'C' (1994) runtime library for the Amiga computer
+ * Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Neither the name of Olaf Barthel nor the names of contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _TIME_HEADERS_H
+#include "time_headers.h"
+#endif /* _TIME_HEADERS_H */
+
+#ifndef _LOCALE_HEADERS_H
+#include "locale_headers.h"
+#endif /* _LOCALE_HEADERS_H */
+
+/****************************************************************************/
+
+BOOL
+__convert_time_to_datestamp(time_t time_value,struct DateStamp * ds)
+{
+	BOOL success;
+
+	/* The time has to lie within the AmigaOS epoch. */
+	if(time_value < UNIX_TIME_OFFSET)
+	{
+		success = FALSE;
+		goto out;
+	}
+
+	/* Adjust the time to the AmigaOS epoch. */
+	time_value -= UNIX_TIME_OFFSET;
+
+	/* If possible, adjust the time to match the local time zone settings. */
+	if(__default_locale != NULL)
+		time_value -= 60 * __default_locale->loc_GMTOffset;
+
+	ds->ds_Days		= (time_value / (24 * 60 * 60));
+	ds->ds_Minute	= (time_value % (24 * 60 * 60)) / 60;
+	ds->ds_Tick		= (time_value % 60) * TICKS_PER_SECOND;
+
+	success = TRUE;
+
+ out:
+
+	return(success);
+}