autoload -Uz colors && colors
local text="%{$fg_no_bold[cyan]%}"
local text_emph="%{$fg_bold[cyan]%}"
local punctuation="%{$fg_bold[grey]%}"
local emph="%{$fg_bold[white]%}"
local final="%{$reset_color%}"
 
local window="" # Screen number 
local window_sep=""  # Screen number separator
if [[ "$STY" != "" ]]; then
  local window="$WINDOW"
  local window_sep=":"
fi
 
PROMPT="${punctuation}(${text_emph}%n${emph}@${text}%m${punctuation})(${emph}$window${punctuation}$window_sep${text}%j${punctuation})(${text}%D{%a, %b %d:%S}${punctuation})-
(${emph}%#${punctuation}:%!${text}:%2~${punctuation})-${final} "
 
RPROMPT="${text}%_${punctuation}|-${final} "

Screen Friendly ZSH Prompt

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