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D-Day Calculator
Calculate remaining or elapsed days between a base date and a target date.
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Tool category
Manage deadlines, timers, stopwatches, focus sessions, and time zones from the browser.
Calculate remaining or elapsed days between a base date and a target date.
Run a simple browser timer with pause, reset, and optional notification permission.
Measure elapsed time and capture recent lap times.
Run focus and break sessions with a compact Pomodoro timer.
Check live current times for major cities on an interactive world map.