diff --git a/schedule/ics.php b/schedule/ics.php
index 863972d..f715547 100644
--- a/schedule/ics.php
+++ b/schedule/ics.php
@@ -1,35 +1,7 @@
 <?php
-include 'apikey.php';
-
-if (empty($apikey)) {
-    die("missing api key");
-}
-$context = stream_context_create([
-    "http" => [
-        "method" => "GET",
-        "header" => "X-API-Key: $apikey\r\n"
-    ]
-]);
-
 $from = gmdate("Y-m-d\T00:00:00\Z", strtotime(date("w") ? "last sunday" : "sunday"));
 $to   = gmdate("Y-m-d\T00:00:00\Z", strtotime(date("w") ? "sunday" : "next sunday"));
-
-$schedule = json_decode(
-    file_get_contents(
-        "https://radio.tildeverse.org/api/station/1/streamers/schedule?start=$from&end=$to",
-        false,
-        $context
-    ),
-    true
-);
-
-usort($schedule, function ($a, $b) {
-    return $a["start"] <=> $b["start"];
-});
-
-function formatdate($date) {
-    return gmdate("Ymd\THis\Z", strtotime($date));
-}
+include 'schedule.php';
 
 // ICS generation. Here be dragons.
 // I created the file using a Python script and reverse-engineered it to figure this out.
diff --git a/schedule/index.php b/schedule/index.php
index 6840910..acaf7ed 100644
--- a/schedule/index.php
+++ b/schedule/index.php
@@ -1,36 +1,6 @@
 <?php
 include '../header.php';
-include 'apikey.php';
-
-if (empty($apikey)) {
-    die("missing api key");
-}
-$context = stream_context_create([
-    "http" => [
-        "method" => "GET",
-        "header" => "X-API-Key: $apikey\r\n"
-    ]
-]);
-
-$from = gmdate("Y-m-d\TH:i:s\Z", strtotime("now + 1 day"));
-$to   = gmdate("Y-m-d\TH:i:s\Z", strtotime("now + 8 days"));
-
-$schedule = json_decode(
-    file_get_contents(
-        "https://radio.tildeverse.org/api/station/1/streamers/schedule?start=$from&end=$to",
-        false,
-        $context
-    ),
-    true
-);
-
-usort($schedule, function ($a, $b) {
-    return $a["start"] <=> $b["start"];
-});
-
-function formatdate($date) {
-    return gmdate("D M d H:i", strtotime($date));
-}
+include 'schedule.php';
 ?>
 
 <h1><a href="https://tilderadio.org"><img style="width:75px;" src="../logos/tilderadio-green.png">tilderadio.org</a></h1>
diff --git a/schedule/schedule.php b/schedule/schedule.php
new file mode 100644
index 0000000..8912041
--- /dev/null
+++ b/schedule/schedule.php
@@ -0,0 +1,37 @@
+<?php
+include 'apikey.php';
+
+if (empty($apikey)) {
+    die("missing api key");
+}
+
+$context = stream_context_create([
+    "http" => [
+        "method" => "GET",
+        "header" => "X-API-Key: $apikey\r\n"
+    ]
+]);
+
+// allow ics.php to overwrite $from and $to
+if (!isset($from,$to)) {
+	$from = gmdate("Y-m-d\TH:i:s\Z", strtotime("now + 1 day"));
+	$to   = gmdate("Y-m-d\TH:i:s\Z", strtotime("now + 8 days"));
+}
+
+$schedule = json_decode(
+    file_get_contents(
+        "https://radio.tildeverse.org/api/station/1/streamers/schedule?start=$from&end=$to",
+        false,
+        $context
+    ),
+    true
+);
+
+usort($schedule, function ($a, $b) {
+    return $a["start"] <=> $b["start"];
+});
+
+function formatdate($date) {
+    return gmdate("D M d H:i", strtotime($date));
+}
+