--- a/windows.rst	Mon Jun 26 11:28:49 2017 +0300
+++ b/windows.rst	Mon Jun 26 11:29:46 2017 +0300
@@ -639,6 +639,8 @@
   How to update Windows 8 clock with the internet every time I boot the system?
 https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/get-started/windows-time-service/windows-time-service-tools-and-settings
   Windows Time Service Tools and Settings.
+https://time.is/
+  Online in browser service to find time difference.
 
 Format drive.
 =============