From 1796a25e537ec5f144c1eba9920c6c287d400b6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Recht=C3=A9?= <mrechte2@yahoo.com>
Date: Thu, 27 Oct 2016 07:10:36 -0600
Subject: [PATCH] Correct a problem in clock_gettime(CLOCK_REALTIME, &time);
 which is ahead by 1 month of the specified CONFIG_START_MONTH

---
 libc/time/lib_daysbeforemonth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libc/time/lib_daysbeforemonth.c b/libc/time/lib_daysbeforemonth.c
index 8c09c2203e8..8c66dc808b6 100644
--- a/libc/time/lib_daysbeforemonth.c
+++ b/libc/time/lib_daysbeforemonth.c
@@ -91,8 +91,8 @@ static const uint16_t g_daysbeforemonth[13] =
 
 int clock_daysbeforemonth(int month, bool leapyear)
 {
-  int retval = g_daysbeforemonth[month];
-  if (month >= 2 && leapyear)
+  int retval = g_daysbeforemonth[month-1];
+  if (month > 2 && leapyear)
     {
       retval++;
     }