Time Until Calculator

Countdown between two date-times.

Calculate time remaining until a future date and time instantly. Free countdown to date-time.

About Time Until

Countdown between two date-times.

Breaks the gap into days, hours, minutes, seconds.

Where it is used

Deadlines, launches, events.

How to use the Time Until

  1. From Date & Time (YYYY-MM-DDTHH:MM) — enter the value (e.g. 2026-01-01T00:00).
  2. Until Date & Time (YYYY-MM-DDTHH:MM) — enter the value (e.g. 2026-01-02T12:30).
  3. Calculate — press the Calculate button to see the result instantly above.

Formula

target - now split into d/h/m/s.

Examples

Example

from:2026-01-01T00:00
to:2026-01-02T12:30
Result: 1d 12h 30m 0s

Frequently Asked Questions

Can compute "until now"?
Set From to today; the gap still computes correctly.
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