๐ŸŽ‚ See who is up next

Next Birthday Calculator

Find out when the next birthday is, whether it is yours, a friend's, or everyone in your group at once. Check the exact date, the day of the week, how many days away it is, and who needs a surprise first.

๐Ÿ‘ค Single person mode
๐Ÿ‘ฅ Group ranking
๐Ÿ“… 12-month calendar

Year is optional. Leave it blank if you only want the next occurrence of the birthday date.

Instant result ยท No signup needed ยท Share the saved URL with the filled result

Group Birthday Finder

Add everyone and see whose birthday is coming up next. Group Mode keeps the math simple by using month and day only.

You can add up to 20 people.

Quick presets
๐ŸŽ‚ Upcoming Birthday

Your Next Birthday

September 15, 2026

Thursday

That's in156 days
Weeks away22 weeks
Turning age34 years old
Your next birthday lands this year, and the countdown is already running.
Live Countdown
156

Your next birthday is in 156 days.

08
Hours
32
Min
47
Sec

This live countdown updates every second while the page stays open.

๐Ÿ—“๏ธ Coming up soon
๐Ÿ“… Date saved to URL

Upcoming Birthdays โ€” Ranked by Date

Everyone is sorted from nearest to furthest birthday so you can see exactly who is up next.

๐Ÿฅ‡ Next Up
Mom
March 15, 2026 ยท Thursday
In 12 days

Mom has the nearest birthday in your list.

Ranked list

Birthday Calendar โ€” Next 12 Months

The calendar is rendered after the results appear so it does not slow down the first calculation.

๐ŸŸ  Birthday
๐Ÿ”ด Today
๐ŸŸก Within 7 days

The calendar will render after the group results are ready.

Click a highlighted date

A selected birthday date will show who is celebrating and how close it is.

Ready to do something about it?

How the Next Birthday Calculator Works

The logic is simple: take today's date, compare it to the birthday month and day, and decide whether the next birthday lands this year or next year.

For a Single Person

  1. Enter a name if you want one, then choose the birth month and day. The year is optional.
  2. Click Find Next Birthday. The calculator checks whether that date has already happened this year.
  3. If the date is still ahead, the next birthday is this year. If it already passed, the next birthday is next year on the same month and day.
  4. You get the exact date, day of the week, days away, weeks away, and the age they will be turning when a birth year is included.

For a Group

  1. Switch to Group Mode and add up to 20 people with their names, months, and days.
  2. Click Find Next Birthdays. Everyone is converted into a next birthday date and sorted from nearest to furthest.
  3. People with birthdays today are pushed to the very top. Ties on the same date share the same ranking position.
  4. The result also draws a 12-month calendar view so you can see where birthdays cluster.
โšก Instant calculation
๐Ÿ“… Automatic year crossover
๐Ÿ‘ฅ Up to 20 people
๐Ÿ”— Shareable saved URL

Next Birthday by Month โ€” Quick Reference

If someone's birthday falls in a specific month, here is when the next occurrence of that month begins and roughly how far away it is from today.

Month Next Occurrence Days Away

Tip: click any month row to switch to Single Person mode, prefill that month, and jump back to the calculator.

Next Birthday for January Birthdays

If someone's birthday is in January and January has already passed this year, their next birthday will land in January next year, often making it one of the longer waits on the calendar. That is why January birthdays feel far away once winter is over.

Next Birthday for February Birthdays

February birthdays come with the shortest month and the leap-day edge case. If the birthday is February 29, this calculator treats February 28 as the next birthday in non-leap years and February 29 in leap years.

Next Birthday for March Birthdays

March birthdays can be very close or very far away depending on whether spring has already started. If March has already passed, the next March birthday jumps straight to next year with the same day preserved.

Next Birthday for April Birthdays

April birthdays are easy to calculate because the month has 30 days and usually sits right around the seasonal midpoint. If today's date is before the birthday, the next April birthday stays in the current year.

Next Birthday for May Birthdays

May birthdays often feel like they are coming up soon once spring begins. Use the calculator above for the exact date, because even a one-week difference changes the days-away count more than most people expect.

Next Birthday for June Birthdays

June birthdays sit right at the start of summer in the northern hemisphere. If a June birthday has not happened yet this year, the next birthday stays in the current year. If it has, the tool rolls to next June automatically.

Next Birthday for July Birthdays

July birthdays are common for summer planning because they can be close enough to plan now but far enough away to need a countdown. The calculator handles year crossover automatically when July has already passed.

Next Birthday for August Birthdays

August birthdays are often grouped with late-summer trips, back-to-school planning, and family holidays. That makes it useful to know exactly whose August birthday is next when you are comparing several people at once.

Next Birthday for September Birthdays

September birthdays usually mean the countdown starts building in late summer. If September is still ahead on the calendar, the next birthday will be this year. If it is already gone, the wait stretches out to next September.

Next Birthday for October Birthdays

October birthdays often arrive with holiday-season planning close behind. This calculator gives a quick answer for the next October birthday and shows the exact weekday too, which helps if you are coordinating party dates.

Next Birthday for November Birthdays

November birthdays can get crowded by travel and holiday schedules, so knowing whose birthday comes next helps with gift timing. The month guide gives a rough reference, while the calculator gives the exact result.

Next Birthday for December Birthdays

December birthdays are often compared against holiday plans, so the exact weekday and days-away count matter more than people think. If December has already passed, the next birthday is the same day in December next year.

Next Birthday Calculator โ€” Complete Guide

This page is built to answer the core search intent directly: when the next birthday is, how it is calculated, and whose birthday is closest in a group.

A next birthday calculator finds the next upcoming occurrence of a birthday date. Enter a birth month and day, and the calculator tells you the exact date of the next birthday, what day of the week it falls on, and how many days away it is. If the birthday already happened this year, it automatically rolls the answer forward to next year.

How to Find the Next Upcoming Birthday

  1. Start with today's date.
  2. Check whether the birthday month and day have already happened this year.
  3. If not, the next birthday is this year.
  4. If yes, the next birthday is next year on the same month and day.

Whose Birthday Is Next in a Group?

To find whose birthday is next in a group, calculate the next upcoming birthday date for each person and compare the days remaining. The person with the smallest number of days left has the next birthday. Group Mode on this page automates that comparison and sorts everyone instantly.

Next Birthday Calculator vs. Birthday Countdown Timer

A next birthday calculator answers the planning question: when is the next birthday and how far away is it? A countdown timer adds the live display layer with days, hours, minutes, and seconds updating every second. Use this page to find the right date, then open the countdown tools for display or sharing.

Next Birthday for Leap Day (February 29)

Leap day birthdays need a rule for non-leap years. This calculator uses the common everyday definition of February 28 in non-leap years, then switches back to February 29 when the next leap year arrives. That keeps the result practical for real planning.

Why Group Birthday Sorting Is Useful

Families, friend groups, classrooms, and teams often need to know who is next without doing the date math manually. A ranked result and a birthday calendar make it easier to plan gifts, reminders, and celebrations without missing anyone.

Next Birthday Calculator โ€” FAQs

These answers cover year crossover, optional birth years, leap day rules, group sorting, and result sharing.

What is a next birthday calculator?

A next birthday calculator finds the next upcoming occurrence of a birthday. Enter a birth month and day, and it tells you the exact date of the next birthday, the day of the week, and how many days away it is. If the birthday has already passed this year, it automatically calculates for next year.

Whose birthday is next in my group?

Use Group Mode. Add up to 20 people with their names and birthdays, then click calculate. The results are automatically sorted from the nearest to the furthest upcoming birthday.

How do I find the next upcoming birthday?

Enter the birth month and day in the calculator above and click Find Next Birthday. The tool checks whether the birthday has passed this year. If it has, it shows next year's date. If not, it shows this year's date.

Do I need to enter the birth year?

No. The birth year is optional. Without it, the calculator finds the next occurrence of the birthday month and day. If you enter the year, it also shows the age the person will be turning.

What if two people have the same birthday?

In Group Mode, people with the same upcoming birthday date are treated as a tie. They share the same ranking position and appear together on the birthday calendar for that date.

How does the calculator handle February 29 birthdays?

For February 29 birthdays, the calculator uses February 28 as the next birthday in non-leap years. In leap years, it correctly calculates to February 29.

Can I share the results with my group?

Yes. After calculating, the URL updates with all birthday data as parameters. Copy the link and anyone who opens it sees the same saved configuration.

How many people can I add in Group Mode?

You can add up to 20 people in Group Mode. If your list is larger, split it into multiple saved URLs or compare several subsets.

More Birthday Tools

This page solves the "who is next?" question. These neighboring tools handle the countdown, sharing, age, and half-birthday extensions around it.