diff --git a/programs/jrnl/src/commands.rs b/programs/jrnl/src/commands.rs
index 7340468..c294e5e 100644
--- a/programs/jrnl/src/commands.rs
+++ b/programs/jrnl/src/commands.rs
@@ -1,3 +1,2 @@
+pub mod add_entry;
 pub mod list_entries;
-
-mod add_entry {}
diff --git a/programs/jrnl/src/commands/add_entry.rs b/programs/jrnl/src/commands/add_entry.rs
new file mode 100644
index 0000000..8dd1b92
--- /dev/null
+++ b/programs/jrnl/src/commands/add_entry.rs
@@ -0,0 +1,68 @@
+use std::{
+    env,
+    fs::{self, OpenOptions},
+    io::{self, Write},
+    path::PathBuf,
+    process::Command,
+};
+
+use temp_file::{TempFile, TempFileBuilder};
+
+use crate::md::{Entry, ToMd};
+
+// TODO: the usual (better error handling)
+pub fn add_entry(path: PathBuf, title: Option<String>) -> io::Result<()> {
+    if !path.exists() {
+        eprintln!("Journal file does not exist at {path:?}, exiting...");
+        std::process::exit(1);
+    }
+
+    let title = prompt("Title")?;
+
+    let tmp = TempFileBuilder::new()
+        .suffix(".jrnl-entry.md")
+        .build()
+        .unwrap();
+
+    let editor = match env::var("EDITOR") {
+        Ok(val) => val,
+        Err(env::VarError::NotPresent) => {
+            eprintln!("EDITOR not set, exiting...");
+            std::process::exit(1);
+        }
+        _ => unreachable!(),
+    };
+
+    let mut editor_cmd = Command::new(&editor);
+    editor_cmd.arg(tmp.path());
+    editor_cmd.status().unwrap();
+
+    let content = fs::read_to_string(tmp.path()).unwrap();
+
+    let now = chrono::offset::Local::now();
+
+    let entry = Entry {
+        timestamp: now.fixed_offset(),
+        title: &title,
+        content: &content,
+    };
+
+    let mut file = OpenOptions::new()
+        .write(true)
+        .append(true)
+        .open(path)
+        .unwrap();
+
+    write!(file, "{}", entry.to_md())?;
+
+    Ok(())
+}
+
+fn prompt(title: &str) -> io::Result<String> {
+    print!("{}: ", title);
+    let _ = io::stdout().flush();
+    let mut buf = String::new();
+    let stdin = io::stdin();
+    stdin.read_line(&mut buf)?;
+    Ok(buf)
+}
diff --git a/programs/jrnl/src/commands/list_entries.rs b/programs/jrnl/src/commands/list_entries.rs
index 9471095..b1f617b 100644
--- a/programs/jrnl/src/commands/list_entries.rs
+++ b/programs/jrnl/src/commands/list_entries.rs
@@ -1,22 +1,23 @@
 use owo_colors::OwoColorize;
-use std::{fs, path::PathBuf};
+use std::{fs, io, path::PathBuf};
 
 use crate::md::Doc;
 
-pub fn list_entries(path: PathBuf) {
-    let file = fs::read_to_string(path).unwrap();
+pub fn list_entries(path: PathBuf) -> io::Result<()> {
+    let file = fs::read_to_string(path)?;
 
     if let Some(doc) = Doc::new(&file) {
+        let termsize::Size { cols, .. } = termsize::get().unwrap();
         for (i, entry) in doc.entries.into_iter().enumerate() {
             let n = format!("{:>2}", i + 1);
             let r = format!(". {}", entry.title,);
             let l = format!(" {} ", crate::utils::format_datetime(entry.timestamp));
-            let termsize::Size { cols, .. } = termsize::get().unwrap();
 
             let padding = " ".repeat(cols as usize - (n.len() + r.len() + l.len()));
 
             println!("{}{r}{padding}{}", n.cyan(), l.white())
         }
+        Ok(())
     } else {
         eprintln!("Parsing error...");
         std::process::exit(1);
diff --git a/programs/jrnl/src/main.rs b/programs/jrnl/src/main.rs
index 22faae3..4084e83 100644
--- a/programs/jrnl/src/main.rs
+++ b/programs/jrnl/src/main.rs
@@ -1,8 +1,9 @@
 #![feature(iter_collect_into)]
 use clap::{Parser, Subcommand};
-use std::{fs, path::PathBuf};
+use std::{fs, io, path::PathBuf};
 
 use crate::{
+    commands::add_entry::add_entry,
     commands::list_entries::list_entries,
     md::{Doc, ToMd},
 };
@@ -23,23 +24,26 @@ struct Cli {
 enum Command {
     #[command(aliases = ["l", "ls", "list"])]
     ListEntries,
-    Add,
+    Add {
+        title: Option<String>,
+    },
 }
 
-fn main() {
+fn main() -> io::Result<()> {
     let cli = Cli::parse();
     println!("Hello, world!");
     println!("cli: {cli:#?}");
 
     match cli.command {
         Some(Command::ListEntries) => list_entries(cli.s10e_jrnl_file_loc.clone()),
-        Some(Command::Add) => todo!(),
+        Some(Command::Add { title }) => add_entry(cli.s10e_jrnl_file_loc.clone(), title),
         None => {
             // TODO: handle btter
-            let file = fs::read_to_string(cli.s10e_jrnl_file_loc).unwrap();
+            let file = fs::read_to_string(cli.s10e_jrnl_file_loc)?;
 
             let doc = Doc::new(&file).unwrap();
-            println!("{}", doc.to_md())
+            println!("{}", doc.to_md());
+            Ok(())
         }
     }
 }
diff --git a/programs/jrnl/src/md.rs b/programs/jrnl/src/md.rs
index cd3ab43..8453c77 100644
--- a/programs/jrnl/src/md.rs
+++ b/programs/jrnl/src/md.rs
@@ -58,7 +58,11 @@ impl ToMd for Entry<'_> {
     fn to_md(&self) -> String {
         format!(
             "## {}: {}\n\n{}\n\n",
-            self.timestamp, self.title, self.content
+            self.timestamp
+                .fixed_offset()
+                .to_rfc3339_opts(chrono::SecondsFormat::Secs, false),
+            self.title,
+            self.content
         )
     }
 }