From 67a52b4cfd0c773332c06652b385e15d26e0be1d Mon Sep 17 00:00:00 2001
From: Shyam Sundar Bharathi
 <77499506+Shyam-Sundar-Bharathi@users.noreply.github.com>
Date: Wed, 14 Apr 2021 22:00:18 +0530
Subject: [PATCH] Update world_time.dart

---
 world_time_app/lib/services/world_time.dart | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/world_time_app/lib/services/world_time.dart b/world_time_app/lib/services/world_time.dart
index 1c697b9..781bb13 100644
--- a/world_time_app/lib/services/world_time.dart
+++ b/world_time_app/lib/services/world_time.dart
@@ -21,11 +21,24 @@ class WorldTime {
 
       // get properties from json
       String datetime = data['datetime'];
-      String offset = data['utc_offset'].substring(0,3);
-
-      // create DateTime object
+      
+      //decoding offset sign, hours and minutes
+      String offset_sign = data['utc_offset'].substring(0,1);
+      String offset_hours = data['utc_offset'].substring(1,3);
+      String offset_minutes = data['utc_offset'].substring(4,);
+      
+      //parsing DateTime
       DateTime now = DateTime.parse(datetime);
-      now = now.add(Duration(hours: int.parse(offset)));
+      
+      //adding or subtracting hours and minutes offset depending on  +/- sign of offset respectively
+    if(offset_sign=='+')
+      {
+        now = now.add(Duration(hours: int.parse(offset_hours),minutes: int.parse(offset_minutes)));
+      }
+    else if(offset_sign=="-")
+      {
+        now = now.subtract(Duration(hours: int.parse(offset_hours),minutes: int.parse(offset_minutes)));
+      }
 
       // set the time property
       isDaytime = now.hour > 6 && now.hour < 20 ? true : false;