Time & Date
Countdown Timer
Create a live countdown to any date and time — birthdays, weddings, launches, or deadlines — updating every second.
How the Countdown Timer works
Set a target date and time, and the timer continuously calculates the difference between now and that moment, breaking it down into days, hours, minutes, and seconds. Once the target time arrives, the countdown automatically switches to a celebration message.
Frequently asked questions
Does the countdown update automatically?
Yes — the countdown updates every second in real time as long as this page stays open.
What time zone is the countdown based on?
The countdown uses your device's local time zone, based on the date and time you enter.
Can I use this for a birthday, wedding, or launch date?
Yes — enter any label and target date and time, and the timer works for any kind of event or deadline.
Guides that cover this
Mastering Dates, Deadlines, and Time ZonesThe everyday date math — ages, countdowns, business days, time zones — that's easy to get wrong by hand.Setting Up a Countdown for a Deadline That Actually Motivates YouHow to configure a countdown timer around a deadline in a way that creates useful urgency rather than becoming background noise.Why a Countdown Timer Showed the Wrong Number of DaysThe common causes of a countdown timer displaying an unexpected number — time zone mismatches, inclusive counting, and device clock drift.Countdown by Days vs. Countdown by Exact Time: Which to Use WhenWhen a simple day-count countdown is sufficient versus when a precise hours-minutes-seconds countdown is actually needed.How to Use the Countdown TimerA quick walkthrough of setting up a live countdown to any future date and time.Countdown Timer: How It Works and How to Use ItA quick guide to the countdown timer — what it calculates, how the math works, and tips for getting an accurate result.