From 2c0207b3eba31d54983bdf75830e0ee5d15cfcf8 Mon Sep 17 00:00:00 2001
From: Pim van Pelt <pim@ipng.nl>
Date: Thu, 3 Oct 2019 08:54:48 +0200
Subject: [PATCH] The permanent dark/light can only happen beyond the polar
 circles

---
 src/sun.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/sun.c b/src/sun.c
index b0a1ddb..1a37daa 100644
--- a/src/sun.c
+++ b/src/sun.c
@@ -99,11 +99,11 @@ uint32_t calcSunSet(int year, int month, int day, float latitude,
 uint32_t calcDaylight(int month, float latitude, uint32_t rise, uint32_t set) {
   if (set == 0 || rise == 0) { 
     if (month < 4 || month > 9) {
-      if (latitude < 0) return 86400;
-      else return 0;
+      if (latitude <= -65.7) return 86400;
+      else if (latitude >= 65.7) return 0;
     } else {
-      if (latitude > 0) return 86400;
-      else return 0;
+      if (latitude >= 65.7) return 86400;
+      else if (latitude <= -65.7) return 0;
     }
   }