Countdown Timer

Select a Holiday or Create Custom Countdown

Choose a preset or set your own date and time. On iPhone, tap once anywhere to enable sound.

Create Custom Countdown

12 AM
00

Holidays

New Year
Jan 1, 2027
103 days

Public Holidays by Country

✓ Select a country and year to view public holidays. Click any holiday to send it directly to the countdown display.

Select a holiday in 2026
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Popular Countdown Pages

Christmas CountdownNew Year CountdownHalloween CountdownThanksgiving CountdownValentine's Day CountdownBirthday CountdownWedding CountdownVacation Countdown

Online Countdown Timer

The SmartClockTools online countdown lets you see exactly how much time remains until a future event. Choose a date, optionally select a time, and the display will calculate the remaining days, hours, minutes, and seconds automatically.

You can create countdowns for holidays, birthdays, weddings, vacations, exams, launches, deadlines, meetings, travel dates, product releases, and other important events. The built-in Public Holidays section also lets you select supported holidays by country and year.

The display can be customized with different fonts, colors, backgrounds, number box styles, and other appearance settings. Fullscreen mode is useful when you want to keep the countdown visible on a large screen. You can launch a countdown timer for Christmas Countdown, or New Year Countdown.

Ways to Use the Online Countdown

Count down to an event

Create a countdown to a future event and see the remaining time in days, hours, minutes, and seconds.

Track important deadlines

Use the countdown for project deadlines, applications, registrations, exams, launches, presentations, and other important dates.

Count down to holidays

Select public holidays by country and year, then send the selected holiday directly to the countdown display.

Count down to birthdays

Create a personalized birthday countdown for yourself, friends, family members, or upcoming celebrations.

Plan travel and vacations

Track the remaining time until a flight, vacation, hotel stay, road trip, cruise, or other travel date.

Display a fullscreen countdown

Show a large countdown on a monitor, television, projector, classroom display, office screen, or second monitor.

Online Countdown Features

  • Custom countdown events
  • Days, hours, minutes, and seconds
  • Custom event names
  • Custom event dates
  • Optional event time
  • Multiple saved events
  • Public holidays by country
  • Holiday year selection
  • Quick holiday countdown selection
  • New Year countdown
  • Birthday countdowns
  • Deadline countdowns
  • Fullscreen countdown display
  • Wake Lock support in fullscreen mode
  • Zoom controls
  • Custom fonts
  • Custom text colors
  • Custom background colors
  • Background image library
  • Custom background image upload
  • Background image URL support
  • Text shadow options
  • Countdown number box styles
  • Outline number boxes
  • Glow number boxes
  • Responsive layout

How to Use the Online Countdown

  1. 1

    Enter an event name

    Give your countdown a name such as New Year, Birthday, Vacation, Exam, Launch, or any other future event.

  2. 2

    Choose the event date

    Select the future date when your event will occur.

  3. 3

    Choose an optional time

    Set an exact hour and minute if the countdown should end at a specific time of day.

  4. 4

    Start the countdown

    Start the countdown and the display will calculate the remaining days, hours, minutes, and seconds.

  5. 5

    Select a holiday if needed

    Choose a country and year from the Public Holidays section, then select a holiday to use it as the countdown target.

  6. 6

    Customize the display

    Adjust the clock appearance, background, font, colors, number box style, and fullscreen display settings.

Free Online Countdown Timer

Create a countdown to any future date directly in your browser. Enter an event name, select the target date and optional time, and see the remaining days, hours, minutes, and seconds.

Countdown to a Date

Select a future calendar date and automatically calculate how much time remains. This is useful for birthdays, holidays, vacations, deadlines, launches, exams, weddings, and other planned events.

Countdown to New Year

Create a live New Year countdown and watch the remaining days, hours, minutes, and seconds decrease as January 1 approaches.

Birthday Countdown

Create a personalized countdown to an upcoming birthday. Add the birthday date as a custom event and keep track of exactly how long remains until the celebration.

Holiday Countdown

Choose public holidays by country and year or manually enter your own holiday date. The selected holiday can be sent directly to the countdown display.

Countdown for Deadlines

Track project deadlines, applications, exams, registrations, launches, presentations, and other time-sensitive events using a continuously updating countdown.

Vacation and Travel Countdown

Count down to an upcoming vacation, flight, cruise, hotel stay, road trip, or other travel date. A visible countdown can make it easy to see how much time remains before departure.

Fullscreen Countdown Display

Open the countdown in fullscreen mode on a laptop, desktop monitor, second screen, television, projector, classroom display, or event screen. The large layout makes the remaining time easier to see from a distance.