Birthday Countdown Clock
Real-time live ticking countdown clock: watch the seconds, minutes, hours, and days tick down until your next birthday.
Live Birthday Countdown Clock
Real-time live countdown ticking down the exact days, hours, minutes, and seconds to your next birthday.
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Anticipating Birthday Celebrations
Counting down to a birthday builds excitement for milestone celebrations, allows friends and families to plan surprise parties well in advance, and provides an instant visual metric of life’s precious moments.
Want to see a calendar table of all milestone birthdays?Milestone Birthday Calculator
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Help friends and family calculate their exact age & milestone countdowns
Helpful FAQ
Frequently Asked Questions
Find clear answers to common questions about age calculation, leap years, and date math.
The countdown measures the exact real-time duration in milliseconds between the current browser second and midnight (00:00:00) on your next birthday date, updating every second.