From a0decd0aa45458c10778d77f3dd1cb137aa751ec Mon Sep 17 00:00:00 2001
From: Bobby Sudekum <bobby@mapbox.com>
Date: Wed, 30 Aug 2017 16:34:06 -0400
Subject: [PATCH] Delay dark mode until nautical sunrise/sunset (#557)

---
 MapboxNavigation/NavigationViewController.swift | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/MapboxNavigation/NavigationViewController.swift b/MapboxNavigation/NavigationViewController.swift
index 2dfe6d81119..2aa5bd05034 100644
--- a/MapboxNavigation/NavigationViewController.swift
+++ b/MapboxNavigation/NavigationViewController.swift
@@ -264,11 +264,15 @@ public class NavigationViewController: NavigationPulleyViewController, RouteMapV
         guard automaticallyAdjustsStyleForTimeOfDay else { return .dayStyle }
         
         guard let location = routeController.location,
-            let solar = Solar(latitude: location.coordinate.latitude, longitude: location.coordinate.longitude) else {
+            let solar = Solar(latitude: location.coordinate.latitude, longitude: location.coordinate.longitude),
+            let sunrise = solar.civilSunrise, let sunset = solar.civilSunset else {
                 return .dayStyle
         }
         
-        return  solar.isDaytime ? .dayStyle : .nightStyle
+        let isAfterSunrise = solar.date > sunrise
+        let isBeforeSunset = solar.date < sunset
+        
+        return isAfterSunrise && isBeforeSunset ? .dayStyle : .nightStyle
     }
     
     var tableViewController: RouteTableViewController?