diff --git a/.bashrc b/.bashrc
index dfa9fb1..00ef249 100644
--- a/.bashrc
+++ b/.bashrc
@@ -9,7 +9,7 @@ alias ls='ls --color=auto'
 alias grep='grep --color=auto'
 PS1='[\u@\h \W]\$ '
 
-alias ll="ls -la"
+alias ll="ls -la --time-style=long-iso"
 alias l="ll"
 
 alias ..="cd .."
diff --git a/.zshrc b/.zshrc
index 5bca4d9..295e401 100755
--- a/.zshrc
+++ b/.zshrc
@@ -125,7 +125,7 @@ alias ls='ls --color=auto'
 alias grep='grep --color=auto'
 PS1='[\u@\h \W]\$ '
 
-alias ll="ls -la"
+alias ll="ls -la --time-style=long-iso"
 alias l="ll"
 
 alias ..="cd .."