diff --git a/chrono/Cargo.lock b/chrono/Cargo.lock
new file mode 100644
index 0000000..6d63f0f
--- /dev/null
+++ b/chrono/Cargo.lock
@@ -0,0 +1,82 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
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+[[package]]
+name = "chrono"
+version = "0.1.0"
+dependencies = [
+ "chrono 0.4.11",
+]
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+ "num-integer",
+ "num-traits",
+ "time",
+]
+
+[[package]]
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+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
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diff --git a/chrono/Cargo.toml b/chrono/Cargo.toml
new file mode 100644
index 0000000..51bc649
--- /dev/null
+++ b/chrono/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "chrono"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+chrono = "0.4.11"
+
diff --git a/chrono/src/main.rs b/chrono/src/main.rs
new file mode 100644
index 0000000..cd962fe
--- /dev/null
+++ b/chrono/src/main.rs
@@ -0,0 +1,21 @@
+use chrono::prelude::*;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("UTC time:            {}", Utc::now());
+    println!("UTC time:            {:?}", Utc::now());
+    println!("UTC time(RFC2822):   {}", Utc::now().to_rfc2822());
+    println!("UTC time(RFC3339):   {}", Utc::now().to_rfc3339());
+    println!("Local time:          {}", Local::now());
+    println!("Local time:          {:?}", Local::now());
+    println!("Local time(RFC2822): {}", Local::now().to_rfc2822());
+    println!("Local time(RFC3339): {}", Local::now().to_rfc3339());
+
+    println!("{}", "2020-01-01T12:00:00Z".parse::<DateTime<Utc>>()?);
+    println!("{}", "2020-01-01T12:00:00+08:00".parse::<DateTime<Local>>()?);
+
+    println!("Current timestamp(secs):   {}", Utc::now().timestamp());
+    println!("Current timestamp(millis): {}", Utc::now().timestamp_millis());
+    println!("Current timestamp(nanos):  {}", Utc::now().timestamp_nanos());
+
+    Ok(())
+}