From 08080f4e8655ac260917487ce3c94948167a5086 Mon Sep 17 00:00:00 2001
From: "David F. Skoll" <dfs@roaringpenguin.com>
Date: Thu, 16 Dec 2010 09:00:12 -0500
Subject: [PATCH] Use 6-degree definition (Civil Dawn) instead of older
 14-degree below horizon.

---
 src/funcs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/funcs.c b/src/funcs.c
index 9403be08..92bf32d7 100644
--- a/src/funcs.c
+++ b/src/funcs.c
@@ -1897,7 +1897,7 @@ static int SunStuff(int rise, double cosz, int jul)
     if (dusk_or_dawn == 2) {/* dusk */
 	L += 6;
     } else if (dusk_or_dawn == 3) {/* dawn */
-	L -= 14;
+	L -= 6;
     }
     if (L > 360.0) L -= 360.0;