[install-guide/F21-rewrite] Adding the Date and Time spoke to graphical install

[pbokoc]

commit de4d6a7552407b4f312cba48c36a51f6fafcf4ff
Author: Petr Bokoc <pbokoc at redhat.com>
Date:   Tue Oct 14 18:16:24 2014 +0200

    Adding the Date and Time spoke to graphical install

 en-US/DateTimeSpoke.xml |   28 +++++++++++++++++++++++++++-
 1 files changed, 27 insertions(+), 1 deletions(-)
---
diff --git a/en-US/DateTimeSpoke.xml b/en-US/DateTimeSpoke.xml
index db29cf1..1130433 100644
--- a/en-US/DateTimeSpoke.xml
+++ b/en-US/DateTimeSpoke.xml
@@ -6,6 +6,32 @@
 <section id="sect-installation-gui-date-and-time">
 	<title>Date &amp; Time</title>
 	<para>
-		text
+		The <guilabel>Date &amp; Time</guilabel> screen allows you to configure time zone related settings for your system.
+	</para>
+	<para>
+		<remark>TODO: screen</remark>
+	</para>
+	<para>
+		First, select your <guilabel>region</guilabel> using the drop-down menu in the top left corner of the screen. Then, select your <guilabel>city</guilabel>, or the nearest city in the same time zone. Selecting a specific location helps &PRODUCT; ensure that your time is always set correctly including automatic time changes for daylight savings time if applicable.
+	</para>
+	<para>
+		You can also select a time zone relative to Greenwich Mean Time (GMT) without setting your location to a specific region. These options are available when you select <guilabel>Etc</guilabel> as your <guilabel>region</guilabel>.
+	</para>
+	<note>
+		<para>
+			The list of cities and regions comes from the Time Zone Database (<package>tzdata</package>) public domain, which is maintained by the Internet Assigned Numbers Authority (IANA). The Fedora Project can not add cities or regions into this database. You can find more information at the <ulink url="http://www.iana.org/time-zones">IANA official website</ulink>. 
+		</para>
+	</note>
+	<para>
+		The switch labeled <guilabel>Network Time</guilabel> in the top right hand corner of the screen can be used to enable or disable network time synchronization using the Network Time Protol (NTP). This option is enabled by default if your system is connected to the internet. Enabling this option will keep your system time correct as long as the system can access the internet. By default, four NTP <firstterm>pools</firstterm> are configured; you can add other servers or remove the default ones by clicking the "gears" icon next to the switch.
+	</para>
+	<para>
+		<remark>TODO: screen with adding/removing NTP pools</remark>
+	</para>
+	<para>
+		If you disable NTP using the <guilabel>Network Time</guilabel> switch, the controls at the bottom of the screen will become active, and you will be able to set the current time and date manually.
+	</para>
+	<para>
+		After configuring your time and date settings, press <guilabel>Done</guilabel> to return to the main <guilabel>Installation Summary</guilabel> screen.
 	</para>
 </section>