shorter warning period

_includes/space-status-mobile.html

@@ -18,7 +18,7 @@
 
 {%- assign show_m = 2 -%}
 {%- for m in site.maintenance -%}
-    {%- capture m_start_plus %}{{m.eventdate  | date: '%s' | minus: 259200 }}{%- endcapture -%}
+    {%- capture m_start_plus %}{{m.eventdate  | date: '%s' | minus: 172800 }}{%- endcapture -%}
     {%- capture m_start %}{{m.eventdate  | date: '%s' }}{%- endcapture -%}
     {%- if m_start_plus < nowunix and m_start > nowunix and show_m > 1 -%}
       <div id="maintenance_soon_mobile"  style="margin-top: 5px;">

_includes/space-status.html

@@ -15,7 +15,7 @@
 </div>
 {%- assign show_m = 2 -%}
 {%- for m in site.maintenance -%}
-    {%- capture m_start_plus %}{{m.eventdate  | date: '%s' | minus: 259200 }}{%- endcapture -%}
+    {%- capture m_start_plus %}{{m.eventdate  | date: '%s' | minus: 172800 }}{%- endcapture -%}
     {%- capture m_start %}{{m.eventdate  | date: '%s' }}{%- endcapture -%}
     {%- if m_start_plus < nowunix and m_start > nowunix and show_m > 1 -%}
       <div id="maintenance_soon"  style="margin-top: 5px;">