Countdown Calculator
Days, hours, minutes, and seconds remaining until a future date.
Free · No signup · Runs in your browser · Shareable link syncs inputs
Inputs
Updates live as you type — Calculate syncs a shareable URL.
Time remaining
131 days
Dec 25, 2026
131
Days
12
Hours
47
Minutes
38
Seconds
Target
Dec 25, 2026
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Recently used
Tools you open will show up here on this device — with your last inputs when available.
How this calculator works
Days, hours, minutes, and seconds remaining until a future date.
How is it calculated?
Difference between target midnight and now, split into days/hours/minutes/seconds.
Example
From today to Dec 25 shows a holiday countdown.
Frequently asked questions
Live ticking?+
Recalculate or refresh to update seconds; values are computed when you run the tool.