From e98ab8c54f9f10a0062d586dee76d91da4e3f6c0 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@kth.se>
Date: Wed, 6 Jul 2016 14:48:07 +0200
Subject: Add blue hour
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Signed-off-by: Mattias Andrée <maandree@kth.se>
---
 src/solar_python.py | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/solar_python.py')

diff --git a/src/solar_python.py b/src/solar_python.py
index e39327f..e336ab4 100644
--- a/src/solar_python.py
+++ b/src/solar_python.py
@@ -96,6 +96,13 @@ SOLAR_ELEVATION_RANGE_GOLDEN_HOUR = (-4.0, 6.0)
                  approximate.
 '''
 
+SOLAR_ELEVATION_RANGE_BLUE_HOUR = (-6.0, -4.0)
+'''
+:(float, float)  The Sun's lowest and highest elevation during
+                 the blue "hour", measured in degrees. These
+                 elevations are approximate.
+'''
+
 
 
 # The following functions are used to calculate the result for `sun`
-- 
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