Birthday Countdown

Enter a birthday to see a live countdown — days, hours, minutes, and seconds until the next one.

Time until your next birthday
-- Days
-- Hours
-- Minutes
-- Seconds
Next birthday: --
Day of week: --
Days until: --
Age then: --
Zodiac sign: --
Birthstone: --

Next birthday month

Age Difference Birthday Chrono Life Expectancy Duration Pregnancy Retirement

Why this calculator exists

Knowing the month and day of a birthday rarely answers the question people actually have: exactly how long is left to wait. This calculator was built to answer that precisely — down to the day, hour, minute, and second — whether it's for personal curiosity, planning a celebration, or sharing a countdown with someone else.

How this birthday countdown works

1. Enter a birthday

Pick a date of birth from the calendar. That's all that's needed.

  • Works for any year — past, present, or future.
  • The date is saved in the URL for sharing.

2. Watch the countdown

The exact time until the next birthday is calculated and updated every second.

  • Days, hours, minutes, and seconds.
  • The next birthday date and day of the week.
  • The age reached on that day.
Live updates every second

3. Share the countdown

Use the share buttons to post the countdown, or copy a link with the birthday pre-filled.

  • Facebook, Twitter, WhatsApp, Telegram, Email.
  • Share a permanent link with the birthday included.

Useful for kids waiting on their birthday, for planning a surprise, or simply for counting down to any special day.

Where this birthday countdown is useful

Birthday Countdown

For kids

Helps children understand how many days remain until their birthday, with a simple visual countdown.

Personal countdown

Track the exact time remaining until your own birthday and plan a celebration in advance.

A friend's birthday

Keep track of a friend's birthday and share the countdown as a reminder.

A partner's birthday

Plan a gift or celebration with a precise countdown to a partner's birthday.

A child's birthday

Count down to a child's birthday and use the days leading up to it for planning.

Social sharing

Share a countdown link on social media as a simple way to mark the occasion.

Any special date

Not limited to birthdays — use it to count down to an anniversary or any occasion.

Classroom activity

A simple way for teachers to introduce students to dates, calendars, and counting.