diff --git a/src/app.rs b/src/app.rs
index 9abd51c..7cc7164 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -412,6 +412,7 @@ pub fn build_app() -> App<'static, 'static> {
             Arg::with_name("changed-within")
                 .long("changed-within")
                 .alias("change-newer-than")
+                .alias("newer")
                 .takes_value(true)
                 .value_name("date|dur")
                 .number_of_values(1)
@@ -429,6 +430,7 @@ pub fn build_app() -> App<'static, 'static> {
             Arg::with_name("changed-before")
                 .long("changed-before")
                 .alias("change-older-than")
+                .alias("older")
                 .takes_value(true)
                 .value_name("date|dur")
                 .number_of_values(1)
diff --git a/src/filter/time.rs b/src/filter/time.rs
index 185cfd0..ca37f94 100644
--- a/src/filter/time.rs
+++ b/src/filter/time.rs
@@ -12,6 +12,7 @@ impl TimeFilter {
         humantime::parse_duration(s)
             .map(|duration| *ref_time - duration)
             .or_else(|_| humantime::parse_rfc3339_weak(s))
+            .or_else(|_| humantime::parse_rfc3339_weak(&(s.to_owned() + " 00:00:00")))
             .ok()
     }