Find out exactly how many days remain until a future date, or how many days have passed since a past date.
This tool calculates the number of days between today and any target date, whether that date is in the future or the past.
The difference between the target date and today is calculated in milliseconds, then converted to whole days.
Select any target date and click Calculate to see how many days until (or since) that date, based on today's date.
Example: If a target date is 45 days from today, the tool shows "45 days until" along with the equivalent in weeks and days.
Does this count today as day zero. Yes, the calculation is based on calendar days between today and the target date.
Can I use this for anniversaries or deadlines. Yes, this is commonly used to count down to events, deadlines, or track days since a milestone.