diff --git a/2019/kt/.gitignore b/2019/kt/.gitignore
new file mode 100644
index 0000000..b2516d8
--- /dev/null
+++ b/2019/kt/.gitignore
@@ -0,0 +1,2 @@
+.gradle/
+build
diff --git a/2019/kt/build.gradle.kts b/2019/kt/build.gradle.kts
new file mode 100644
index 0000000..372583d
--- /dev/null
+++ b/2019/kt/build.gradle.kts
@@ -0,0 +1,20 @@
+val arrowVersion = "0.10.3"
+
+plugins {
+    id("org.jetbrains.kotlin.jvm") version "1.3.60"
+    application
+}
+
+repositories {
+    jcenter()
+    maven("https://dl.bintray.com/arrow-kt/arrow-kt/")
+}
+
+dependencies {
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+    implementation("io.arrow-kt:arrow-core:$arrowVersion")
+}
+
+application {
+    mainClassName = "moe.kageru.aoc.DayXXKt"
+}
diff --git a/2019/kt/settings.gradle.kts b/2019/kt/settings.gradle.kts
new file mode 100644
index 0000000..c9fb7c4
--- /dev/null
+++ b/2019/kt/settings.gradle.kts
@@ -0,0 +1 @@
+rootProject.name = "advent-of-code"
diff --git a/2019/kt/src/main/kotlin/moe/kageru/aoc/DayXX.kt b/2019/kt/src/main/kotlin/moe/kageru/aoc/DayXX.kt
new file mode 100644
index 0000000..db03eae
--- /dev/null
+++ b/2019/kt/src/main/kotlin/moe/kageru/aoc/DayXX.kt
@@ -0,0 +1,5 @@
+package moe.kageru.aoc
+
+fun main() {
+    println("Hello, Advent of Code")
+}
diff --git a/2019/setup_day.sh b/2019/setup_day.sh
index f824ae1..3d025fa 100755
--- a/2019/setup_day.sh
+++ b/2019/setup_day.sh
@@ -1,8 +1,26 @@
 #!/bin/sh
 
 today=$(date +%d)
-mkdir "$today"
-cd "$today"
+echo 'Select language for today. (r)ust, (k)otlin:'
+read lang
+
+if [[ "$lang" == "r" ]]; then
+    mkdir "$today"
+    cd "$today"
+    cargo init --name "day$today"
+    echo 'Initialized cargo project'
+elif [[ "$lang" == "k" ]]; then
+    cp -r kt "$today"
+    cd "$today"
+    sed -i "s/DayXX/Day$today/" build.gradle.kts
+    mv "src/main/kotlin/moe/kageru/aoc/DayXX.kt" "src/main/kotlin/moe/kageru/aoc/Day$today.kt"
+    echo 'Initialized gradle project from skeleton'
+else
+    echo "Unknown language $lang"
+    exit 1
+fi
+
 # this assumes that your puzzle input is already in your clipboard
 xsel -b > input
-
+# add trailing newline if necessary
+sed -i -e '$a\' input