Countdown Calculator
Enter a future date to see exactly how many days, weeks and months are left until it — great for holidays, birthdays, weddings, exams and deadlines.
A countdown turns a date on the calendar into a number you can feel — how many days are left until the thing you're waiting for. Whether it's a holiday, a birthday, a wedding, an exam or a project deadline, this calculator counts the whole days from today to your target and also shows the total in weeks and months, plus the day of the week the date falls on.
How the countdown works
The tool subtracts today's date from your target date to get the number of days, then divides to express the same gap in weeks and months.
Weeks = Days ÷ 7 · Months ≈ Days ÷ 30.44
| Away | Roughly |
|---|---|
| 30 days | about a month |
| 90 days | about 3 months / 13 weeks |
| 180 days | about 6 months |
| 365 days | exactly a year |
Worked example
Counting from 13 July to 25 December:
| Days to go | 165 |
| In weeks | 23 weeks, 4 days |
| Falls on a | Friday |
Handy uses for a countdown
Countdowns help with planning as much as anticipation. Counting down to a wedding or trip keeps preparations on track; counting to an exam or launch shows how much runway you have; and counting to a renewal or deadline stops things slipping. Because it works in whole days, a countdown is also a quick way to answer "how long until…" questions without flipping through a calendar.