Days Until Date Calculator
This countdown calculator tells you how many days, weeks and approximate months remain until a target date. It is useful for deadlines, travel planning, project milestones, appointments, weddings, exams and personal goals. You can also use it to compare two custom dates instead of relying only on today.
Frequently Asked Questions
Yes. If the target date is in the past relative to the start date, the result will be negative.
It measures the difference between the two dates. If you need inclusive counting for a legal or administrative case, add one extra day when appropriate.
How this calculator works
Formula explanation
**Method:** Subtract the start date from the target date, then convert the result into days, weeks and approximate months.
Worked example
**Example:** If today is March 1 and your target is March 15, the result is 14 days until the target date.
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