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Days Until Date Calculator

Count down to (or up from) any date.

Count the number of days, weeks, months, and years between today and any chosen date — past or future.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Calendar diff between today and the target date in multiple units (1 month ≈ 30.44 days, 1 year ≈ 365.25 days).

In depth

Count the number of days, weeks, months, and years between today and any chosen date — past or future.