How long until a time
Enter a date, 12-hour or 24-hour time, and zone. Or open a 15-minute countdown page from the directory below.
Days
Hours
Minutes
Seconds
All countdown times
Every 15-minute interval throughout the day.
Related calculators
Need a custom date instead of a clock time? Use days until or the countdown timer. Holiday dates live in the event collection.
Questions
What if the time already passed today?
If you omit a date, the tool uses the next occurrence. If you pick today's date and the clock time is past, it rolls to tomorrow.
Which clock times have their own pages?
Every 15-minute mark across the day (96 pages), plus holiday countdowns in the event collection. We do not generate a page for every individual minute.
Related tools
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Countdown Timer
Count down to a date and time with pause, presets, and a shareable link.
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Days Until
Count the days, weeks, and months remaining until a target date.
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Event Countdowns
Live countdowns to recurring holidays and notable dates.
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Online Timer
Set hours, minutes, and seconds. The remaining time is tracked from timestamps.