Countdown Calculator
Days
0
Weeks
0
Months
0
What is a Countdown Calculator?
A countdown calculator tells you exactly how many days, weeks, and months stand between today and any date you choose. It works in both directions: forward for upcoming events and backward for how long ago something happened. Useful for tracking deadlines, planning events, or measuring elapsed time.
How It Works
The calculator finds the difference between today's date and the target date:
Example
Today is May 6 and your wedding is September 20:
- Calendar days: 137 days
- Weeks: 19.6 weeks
- Months: 4.5 months
Tips
- Today is counted as day 0. The result shows full days remaining after today.
- For business deadlines, note that this counts calendar days including weekends. Use the business days calculator if weekdays only matter.
- For recurring events like birthdays, the age calculator shows days until the next occurrence automatically.
Frequently Asked Questions
Does the countdown include today?
No. Today is day 0. If your event is tomorrow, the result is 1 day. This matches how most people count: "one more day to go" means the event is the next calendar day.
Can I count days since a past date?
Yes. Pick any past date and the calculator shows how many days, weeks, and months have passed since then. This is useful for tracking streaks, elapsed time since an event, or project durations.
How is the months value calculated?
Months are estimated by dividing the day count by 30.44, the average number of days in a calendar month. Since months vary in length, this is an approximation. Use the day count for precision.
What is the difference between calendar days and business days?
Calendar days count every day including weekends and holidays. Business days count only weekdays (Monday through Friday). Legal and financial deadlines often specify which type applies.