diff --git a/README.md b/README.md
index 40b4f0b..a289dd1 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,9 @@ of your OS, but you can also override this behavior by defining a custom path vi
 
 ```shell
 # Add someone's birthday
-$ birthday add "Ben Dover" 03/05/1990
-$ birthday add "Hugh Jarse" 10/12/1995
-$ birthday add "Anita Bath" 22/09/1987
+$ birthday add "Ben Dover" 03 05 1990
+$ birthday add "Hugh Jarse" 10 12 1995
+$ birthday add "Anita Bath" 22 09 1987
 
 # Show all birthdays
 $ birthday all
diff --git a/src/birthday_store.rs b/src/birthday_store.rs
index c42676f..a3efaa5 100644
--- a/src/birthday_store.rs
+++ b/src/birthday_store.rs
@@ -7,9 +7,8 @@ use rusqlite::Connection;
 
 use crate::Birthday;
 
-pub fn add(name: String, date: String) -> Result<()> {
+pub fn add(name: String, date: NaiveDate) -> Result<()> {
     let db = get_db()?;
-    let date = NaiveDate::parse_from_str(&date, "%Y-%m-%d")?;
     let timestamp = to_timestamp(date);
     db.execute(
         "INSERT INTO birthdays(name, date_timestamp) VALUES(?1, ?2)",
diff --git a/src/lib.rs b/src/lib.rs
index 9d4e1fd..1d135c3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,8 +4,9 @@ use anyhow::{bail, Result};
 pub use birthday::Birthday;
 use chrono::{Datelike, NaiveDate};
 
-pub fn add(name: String, date: String) -> Result<()> {
-    birthday_store::add(name, date)
+pub fn add(name: String, day: u32, month: u32, year: i32) -> Result<()> {
+    let birthdate = NaiveDate::from_ymd_opt(year, month, day).expect("Invalid date");
+    birthday_store::add(name, birthdate)
 }
 
 pub fn get_all() -> Result<Vec<Birthday>> {
diff --git a/src/main.rs b/src/main.rs
index d075256..4d841b9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,7 +14,13 @@ struct Cli {
 #[derive(Subcommand, Debug)]
 enum Command {
     #[command(about = "Add a person's birthday")]
-    Add { name: String, date: String },
+    Add {
+        name: String,
+        day: u32,
+        month: u32,
+        #[arg(allow_negative_numbers = true)]
+        year: i32,
+    },
     #[command(about = "Show all birthdays")]
     All {},
     #[command(about = "Show the next birthday")]
@@ -42,7 +48,12 @@ fn main() -> Result<()> {
     let cli = Cli::parse();
     let today = Utc::now().date_naive();
     match cli.command {
-        Command::Add { name, date } => birthday::add(name, date),
+        Command::Add {
+            name,
+            day,
+            month,
+            year,
+        } => birthday::add(name, day, month, year),
         Command::All {} => {
             let birthdays = birthday::get_all()?;
             output::output(birthdays, today);