Day Night is a desktop app that shows you how much time left in percentage. You can keep track of today, month and year time in percentage. In addition to that, Day Night have awake mode, sleep mode and changes the theme automatically according to the day time and night time.
Cut procrastination with Day Night, or try focused trackers like Streeeaks for streak graphs, LiquidTime to plan and allocate hours, Progress Bar OSX for a playful life-progress HUD, and Timetrack Minimalist for distraction-free timing.