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Date countdown timer

Counts down to a chosen date and time in days, hours, minutes and seconds, with a full-screen view, share link and calendar file.

Pick a date and time to start the countdown.

The countdown targets one moment in one time zone and nothing else: no notifications, no server, no stored event. The share link encodes everything after the #, so it works with no database behind it and keeps working after the event passes. The calendar file is a UTC event with an optional display alarm; whether your calendar app honors it is up to that app. Sound plays only while this tab is open and audible.
Options

More time & date tools

- Stopwatch and countdown (/time/stopwatch)
- Date calculator (/time/date-math)
- Time zone converter (/time/timezone-converter)
All time & date tools (/time)

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Canonical HTML: https://nutter.tools/time/countdown-timer
Markdown version: https://nutter.tools/time/countdown-timer.md
Plain-text version: https://nutter.tools/time/countdown-timer.txt
Agent index: https://nutter.tools/llms.txt