How do I calculate how many days until Christmas or New Year?

Enter today's date and the target date (e.g., Christmas). The tool shows the exact days remaining and a live countdown.

Does the calculator include or exclude the start/end date?

You can toggle inclusive or exclusive counting in settings. By default, the span excludes the start date.

Leap years are handled automatically. Time zone differences are normalized to your selected zone.

Calculate days between two dates, countdowns, and days remaining

Set two dates to see total calendar days, or add a duration to a start date for a countdown.

Example: 10/03 → 25/03 = 16 calendar days.

No login required. Calculations run locally in your browser.

Everyday ways to use calendar-day gaps and countdowns.

Countdowns

Calendar gaps

Quick planning

Best Practices

Calendar days include all days; this tool focuses on calendar-day gaps.
For business/working days (excluding weekends/holidays), use the Date Difference or Workday calculators.

Simple calendar days between dates

Business days between two dates

Add/subtract days, weeks, months, years

Add N business days from a start date