Data commit

Task/Date-manipulation/Rust/date-manipulation.rust

@@ -0,0 +1,23 @@
+use chrono::prelude::*;
+use chrono::Duration;
+
+fn main() {
+    // Chrono allows parsing time zone abbreviations like "EST", but
+    // their meaning is ignored due to a lack of standardization.
+    //
+    // This solution compromises by augmenting the parsed datetime
+    // with the timezone using the IANA abbreviation.
+    let ndt =
+        NaiveDateTime::parse_from_str("March 7 2009 7:30pm EST", "%B %e %Y %l:%M%P %Z").unwrap();
+
+    // add TZ manually
+    let dt = chrono_tz::EST.from_local_datetime(&ndt).unwrap();
+    println!("Date parsed: {:?}", dt);
+
+    let new_date = dt + Duration::hours(12);
+    println!("+12 hrs in EST: {:?}", new_date);
+    println!(
+        "+12 hrs in CET: {:?}",
+        new_date.with_timezone(&chrono_tz::CET)
+    );
+}