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Track how much time has passed since any date with this free online count-up timer. Enter a past date and time to see days, hours, minutes, and seconds elapsed in real time. Use it for tracking project duration, time since a milestone, days sober, days since an incident, uptime monitoring, or any other event tracking. If a future date is selected, the display shows when counting will begin. Fullscreen mode works on any TV, projector, or monitor. Customize with 60+ fonts and color themes.