diff --git a/harrogate/Cargo.toml b/harrogate/Cargo.toml
index 8ff261b..63d8259 100644
--- a/harrogate/Cargo.toml
+++ b/harrogate/Cargo.toml
@@ -2,7 +2,7 @@
 name = "harrogate"
 version = "0.1.0"
 authors = ["Tangent 128 <Tangent128@gmail.com>"]
-edition = "2018"
+edition = "2021"
 
 [profile.release]
 lto = true
@@ -18,6 +18,7 @@ december-01-2019 = ["replace-default"]
 december-21-2019 = ["replace-default"]
 december-24-2019 = ["replace-default"]
 december-02-2020 = ["replace-default"]
+december-02-2021 = ["replace-default"]
 valentines-2020 = ["replace-default"]
 st-patricks-day = ["replace-default"]
 july-4 = ["replace-default"]
diff --git a/harrogate/src/december_02_2021.rs b/harrogate/src/december_02_2021.rs
new file mode 100644
index 0000000..1f7778a
--- /dev/null
+++ b/harrogate/src/december_02_2021.rs
@@ -0,0 +1,47 @@
+use super::delay;
+use core::iter::repeat;
+use house::Harrogate;
+use lights::{HardwareRgb, Lights, murmurf};
+use lights::rgb::{linear_gradient, Rgb};
+
+const BG: Rgb = Rgb(255, 0, 255);
+const DOOR: Rgb = Rgb(255, 255, 255);
+
+const YELLOW: Rgb = Rgb(200, 200, 0);
+const RED: Rgb = Rgb(200, 0, 0);
+const GREEN: Rgb = Rgb(0, 200, 0);
+const BLUE: Rgb = Rgb(0, 0, 200);
+//const PURPLE: Rgb = Rgb(160, 0, 128);
+
+/*
+ * 20 fade + 25 ON + 20 fade = 65 dots
+ * 85 OFF + 65 door = 150 dots
+ */
+
+#[allow(dead_code)]
+#[inline(always)]
+pub fn run(lights: &mut impl Lights<Pixel = HardwareRgb>) -> ! {
+    let door_highlight = linear_gradient(BG, DOOR, 20)
+    .chain(repeat(DOOR).take(25))
+    .chain(linear_gradient(DOOR, BG, 20));
+    
+    let mut rng: u32 = 0xF07;
+
+    loop {
+
+        let mut colors = [RED, YELLOW, GREEN, BLUE, RED, YELLOW, GREEN, BLUE];
+
+        // shuffle
+        for i in 2usize..=8 {
+            let swap_with = murmurf(&mut rng) as usize % i;
+            (colors[i - 1], colors[swap_with]) = (colors[swap_with], colors[i - 1]);
+        }
+
+        Harrogate {
+            porch_back: repeat(BG).take(85).chain(door_highlight.clone()),
+            porch_front: colors.into_iter().flat_map(|color| repeat(color).take(19)),
+        }.render_to(lights);
+
+        delay(48_000_000 / 3);
+    }
+}
diff --git a/harrogate/src/main.rs b/harrogate/src/main.rs
index 7b044c2..d3b0724 100644
--- a/harrogate/src/main.rs
+++ b/harrogate/src/main.rs
@@ -1,5 +1,6 @@
 #![no_std]
 #![no_main]
+#![feature(destructuring_assignment)]
 
 use lights_hal::{boot, entry};
 
@@ -9,6 +10,7 @@ mod december_01_2019;
 mod december_21_2019;
 mod december_24_2019;
 mod december_02_2020;
+mod december_02_2021;
 mod valentines_2020;
 mod st_patricks_day;
 mod july_4;
@@ -34,6 +36,9 @@ fn main() -> ! {
     #[cfg(feature = "december-02-2020")]
     december_02_2020::run(&mut lights);
 
+    #[cfg(feature = "december-02-2021")]
+    december_02_2021::run(&mut lights);
+
     #[cfg(feature = "valentines-2020")]
     valentines_2020::run(&mut lights);