Countdown Timer (Time Until)
Countdown Timer (Time Until) is a free online calculator that helps you calculate how much time until a date; days, hours, minutes, seconds. Heads up: it's a calculator, not a live ticking countdown. Countdown Timer (Time Until) uses 2 input fields, returns 6 output values, and runs in your browser on the device.
Key facts
- Inputs
- 2 fields: Target time and From
- Outputs
- 6 values: Time remaining, In days, In hours, In minutes, In seconds, and Target (ISO)
- Runtime
- your browser on the device
- Mode
- Calculator
- Privacy
- Files and text stay in the browser session.
- Cost
- $0, no account required
How to use Countdown Timer (Time Until)
- 1
Paste or fill in the input
Enter your text or values into the input fields on the page.
- 2
Run the utility
Click Compute to run the utility in your browser and review the result.
- 3
Copy the output
Copy the output value you need from the result panel.
Countdown Timer (Time Until) details
First, enter Target time in Countdown Timer (Time Until). Next, review Time remaining, In days, In hours, In minutes, In seconds, and Target (ISO). Additionally, Countdown Timer (Time Until) uses 2 input fields and 6 output blocks so the result is easy to scan and copy.
Enter a target date or date-time and get the exact time remaining: days/hours/minutes/seconds breakdown plus totals in each unit. Accepts "YYYY-MM-DD", "YYYY-MM-DD HH:MM", or full ISO-8601 strings with timezone. If the target is in the past, the result is negative (time since). This is a one-shot calculator; for a live ticking countdown that updates every second, you'll want a different tool or your phone's timer app. Runs entirely in your browser.
Common searches
- countdown timer
- time until
- days until
- how many days until
- countdown calculator
- time remaining
Related tools
Tools that work with the same formats — most users open one of these next.
Date Difference Calculator
Compute the difference between two dates in years, months, days, hours, minutes, seconds.
Stopwatch (Duration Calculator)
Format, add, or subtract durations like '1:23:45' or '1h 30m'. Heads up — this is a calculator, not a live stopwatch.
Pomodoro Timer (Schedule Calculator)
Plan a pomodoro study session — how many cycles, work + break minutes, total time. It's a planner, not a ticking timer.
Age Calculator
Compute your age in years, months, and days from a date of birth — plus total days lived.
Tip Calculator
Calculate tip and split a restaurant bill across any number of people.
Salary Converter
Convert between hourly, daily, weekly, biweekly, monthly and annual salary — adjust hours/week and weeks/year.
Frequently asked
What is Countdown Timer (Time Until)?
Countdown Timer (Time Until) is a free online calculator that helps you calculate how much time until a date; days, hours, minutes, seconds. Heads up: it's a calculator, not a live ticking countdown. Countdown Timer (Time Until) uses 2 input fields, returns 6 output values, and runs in your browser on the device.
What inputs and outputs does Countdown Timer (Time Until) use?
Countdown Timer (Time Until) uses 2 input fields: Target time and From. Countdown Timer (Time Until) returns 6 output values: Time remaining, In days, In hours, In minutes, In seconds, and Target (ISO).
Do my files and data stay private?
Yes. Countdown Timer (Time Until) runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use Countdown Timer (Time Until)?
Open Countdown Timer (Time Until), paste or fill in the input fields, and the result updates instantly. Countdown Timer (Time Until) runs in your browser with no upload and no waiting.
Which browsers does Countdown Timer (Time Until) support?
Any modern browser works in Chrome, Firefox, Safari, and Edge on desktop and mobile. Countdown Timer (Time Until) uses standard web APIs and does not require any plugin, extension, or sign-up.