HomeDates & time
Countdown to a date
Days, hours and minutes left until a date you choose.
Quick answer
A countdown shows the time left until a chosen date, measured to the start of that day on your device’s clock. Formula: Time left = start of the chosen day − the current time on your device. At noon on 1 December 2026, a countdown to 1 January 2027 shows 30 days 12 hours.
Read the guide: How to calculate your exact age in years and days
Time left
47 days 11 hours 57 minutes
- Weeks and days
- 6 weeks 5 days
- Total hours
- 1,139
- Date
- Friday, 1 January 2027
Counts down to the start of that day on your device’s clock.
How is a countdown calculated?
The count uses your device’s clock and time zone, so it is right for where you are.
Reload or change the date to refresh the figure. Nothing is sent anywhere.
Handy for exams, trips, birthdays and deadlines.
What is the formula for a countdown?
- Time left = start of the chosen day − the current time on your device
- Days = whole 24-hour periods; the rest is shown in hours and minutes
Can you show a worked example of a countdown?
On 1 December 2026 at noon, a countdown to 1 January 2027 shows 30 days 12 hours, because 31 days minus half a day remain.
How many hours are in common periods?
Whole days of 24 hours each.
| Period | Days | Hours |
|---|---|---|
| 1 day | 1 | 24 |
| 1 week | 7 | 168 |
| 30 days | 30 | 720 |
| 90 days | 90 | 2,160 |
| 365 days | 365 | 8,760 |
Common questions
Does it update live?
It recalculates whenever you change the date or reload the page.
Which time zone does it use?
The one set on your device.
Does it count the target day?
It counts down to midnight at the start of that day.
What happens after the date?
It tells you how many days ago the date was.