Automatically show the New Year Show announcement

Insert the New Year Show announcement on the front page
from Dec 1st through Jan 1st.

templates/content-index-announcement.tpl.html

@@ -1,22 +1,4 @@
 <!--% PROCESS 'shared-utils.tpl.html' %-->
-<div class="lane stack">
+<!--% IF date.format(date.now, '%m') == 12 || date.format(date.now, '%j') == 1 %-->
-	<article>
+	<!--% PROCESS 'content-new_year_show_announcement.tpl.html' %-->
-		<header>
+<!--% END %-->
-			<h2 class="title"><a href="<!--% absolute_path(baseurl) %-->new_year.html">The Fourteenth Annual 26 Hour New Year's Eve Show</a></h2>
-		</header>
-		<h3>Welcome every <a href="https://www.timeanddate.com/counters/multicountdown.html">TimeZone</a>!</h3>
-		<p>
-		<em>If you keep talking, we'll keep recording.</em>
-		</p>
-		<p>For those who don't know, on New Year's Eve 2025-12-31 10:00 UTC (5:00 AM EST), we will have a recording going on the HPR Mumble server for anyone to come on and say "Happy New Year" and talk about whatever they want. 
-		We will leave the recording going until at least 2026-01-01 12:00 UTC (7:00 AM EST), and keep recording until the conversation stops.</p>
-		<p>
-		So please stop in. Say "Hi" and maybe join in the conversation with other HPR listeners and contributors. It's always a good time!!<br>
-		<audio controls preload="none">
-			<source src="<!--% absolute_path(baseurl) %-->promos/hpr-nye-promo.ogg" type="audio/ogg">
-		</audio>
-		</p>
-		<p><a href="<!--% absolute_path(baseurl) %-->new_year.html">More information…</a></p>
-
-	</article>
-</div>

templates/content-new_year.tpl.html

@@ -1,12 +1,12 @@
 <!--% PROCESS 'shared-utils.tpl.html' %-->
 
-<h1><u>The Fourteenth Annual 26 Hour New Years Eve Show</u></h1>
+<h1><u>The <!--% get_new_year_show_ordinal_year %--> Annual 26 Hour New Year's Eve Show</u></h1>
 <h2>Welcome every <a href="https://www.timeanddate.com/counters/multicountdown.html">TimeZone</a>!</h2>
 <p>
 <em>If you keep talking, we'll keep recording.</em>
 </p>
-<p>For those who don't know, on New Years Eve 2025-12-31 10:00 UTC (5:00 AM EST), we will have a recording going on the HPR Mumble server for anyone to come on and say "Happy New Years" and talk about whatever they want. 
+<p>For those who don't know, on New Year's Eve <!--% get_new_year_show_start() %-->, we will have a recording going on the HPR Mumble server for anyone to come on and say "Happy New Year" and talk about whatever they want. 
-We will leave the recording going until at least 2026-01-01 12:00 UTC (7:00 AM EST), and keep recording until the conversation stops.</p>
+We will leave the recording going until at least <!--% get_new_year_show_end() %-->, and keep recording until the conversation stops.</p>
 <p>
 So please stop in. Say "Hi" and maybe join in the conversation with other HPR listeners and contributors. It's always a good time!!<br />
 </p>

templates/content-new_year_show_announcement.tpl.html

@@ -0,0 +1,22 @@
+<!--% PROCESS 'shared-utils.tpl.html' %-->
+<div class="lane stack">
+	<article>
+		<header>
+			<h2 class="title"><a href="<!--% absolute_path(baseurl) %-->new_year.html">The <!--% get_new_year_show_ordinal_year %--> Annual 26 Hour New Year's Eve Show</a></h2>
+		</header>
+		<h3>Welcome every <a href="https://www.timeanddate.com/counters/multicountdown.html">TimeZone</a>!</h3>
+		<p>
+		<em>If you keep talking, we'll keep recording.</em>
+		</p>
+		<p>For those who don't know, on New Year's Eve <!--% get_new_year_show_start() %-->, we will have a recording going on the HPR Mumble server for anyone to come on and say "Happy New Year" and talk about whatever they want. 
+		We will leave the recording going until at least <!--% get_new_year_show_end() %-->, and keep recording until the conversation stops.</p>
+		<p>
+		So please stop in. Say "Hi" and maybe join in the conversation with other HPR listeners and contributors. It's always a good time!!<br>
+		<audio controls preload="none">
+			<source src="<!--% absolute_path(baseurl) %-->promos/hpr-nye-promo.ogg" type="audio/ogg">
+		</audio>
+		</p>
+		<p><a href="<!--% absolute_path(baseurl) %-->new_year.html">More information…</a></p>
+
+	</article>
+</div>

templates/shared-utils.tpl.html

@@ -134,3 +134,34 @@
     <!--% END %-->
 	<span><a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.latest) %-->/index.html" rel="last" aria-label="latest episode">Latest<span class="no-css"> &gt;&gt;</span><!--% INSERT $arrow_last %--></a></span></nav>
 <!--% END %-->
+
+<!--% MACRO get_new_year_show_start BLOCK %-->
+<!--% start_year = date.format(date.now, '%Y') %-->	
+<!--% IF date.format(date.now, '%m') != 12 || date.format(date.now, '%j') == 1 %-->
+	<!--% start_year = start_year - 1 %-->
+<!--% END %-->
+	<time datetime="<!--% start_year %-->-12-31T10:00Z"><!--% start_year %-->-12-31 10:00 UTC (5:00 AM EST)</time>
+<!--% END %--> 
+
+<!--% MACRO get_new_year_show_end BLOCK %-->
+<!--% end_year = date.format(date.now, '%Y') %-->	
+<!--% IF date.format(date.now, '%m') == 12 || date.format(date.now, '%j') == 1 %-->
+	<!--% end_year = end_year + 1 %-->
+<!--% END %-->
+	<time datetime="<!--% end_year %-->-01-01T12:00Z"><!--% end_year %-->-01-01 12:00 UTC (7:00 AM EST)</time>
+<!--% END %-->
+
+<!--% MACRO get_new_year_show_ordinal_year BLOCK %-->
+<!--% ordinal_year = date.format(date.now, '%Y') - 2011 %-->
+<!--% IF date.format(date.now, '%m') != 12 || date.format(date.now, '%j') == 1 %-->
+	<!--% ordinal_year = ordinal_year - 1 %-->
+<!--% END %-->
+<!--% years.14 = 'Fourteenth'
+	  years.15 = 'Fifteenth' 
+	  years.16 = 'Sixteenth' 
+	  years.17 = 'Seventeenth' 
+	  years.18 = 'Eighteenth' 
+	  years.19 = 'Nineteenth' 
+	  years.20 = 'Twentieth' %-->
+<!--% years.$ordinal_year %-->
+<!--% END %-->