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Half Birthday Calculator

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Put the last or the next date of birth in the half birthday calculator to find the days before or after six months of the upcoming birthday.

What is a Half Birthday?

“The day six months before or after your birthday is known as half birthday”

Half birthdays mean planning an alternative birthday party date if a child's birthday falls on a major holiday or during the summer. It allows you to enjoy the function twice a year. 

Find out Whens my Half Birthday is:

This gives you the opportunity to celebrate twice a year. There are a couple of ways to calculate half birthday dates manually. Besides that, you can also take the help of half birthday calculator. So look at the steps below:

Formula # 1:

  • An exact figure of your birth date + 6 months 

This is the best approach to finding the exact date of the half birthdays. Suppose a person was born on the 1st of June 2001. By following this method we determine that the half birthday of that person is on the 1st of December 2001.

Formula # 2: 

  • Count after or before six months from your real date of birth 

This method has less importance than the above because every month has a variation in days. Suppose a person was born on the 1st of February 2001. As we know February is of 28 or 29 days by this his half birthday date may change.

So to clarify when is my half birthday and what is my half birthday? Look at the below table.

Birthday Half Birthday
January 01 July 07
February 02 August 08
March 03 September 09
April 04 October 10
May 05 November 11
June 06 December 12
July 07 January 01
August 08 February 02
September 09 March 03
October 10 April 04
November 11 May 05
December 12 June 06

Half Birthday Chart:

We have arranged a chart below by which you can estimate exactly the date half of your birthday.

Previous Half Birthday (Years) Actual Birthday (Years) Next Half Birthday (Years)
0 0.5
0.5 1 1.5
1.5 2 2.5
2.5 3 3.5
4.5 4 5.5
4.5 5 5.5
5.5 6 6.5
6.5 7 7.5
7.5 8 8.5
8.5 9 9.5
9.5 10 10.5
10.5 11 11.5
11.5 12 12.5
12.5 13 13.5
13.5 14 14.5
14.5 15 15.5
15.5 16 16.5
16.5 17 17.5
17.5 18 18.5
18.5 19 19.5
19.5 20 20.5
20.5 21 21.5
21.5 22 22.5
22.5 23 23.5
23.5 24 24.5
24.5 25 25.5
25.5 26 26.5
26.5 27 27.5
27.5 28 28.5
28.5 29 29.5
29.5 30 30.5

Working of Half Birthday Calculator:

With the help of a half birthday finder, you can evaluate how many days are left on your next birthday. It functions when you put the following value:

Input:

  • Put the date of birth
  • Tap “Calculate”

Output:

Days left in your next Half Birthdays
Date of previous and upcoming half birthdays
1st and 2nd Quarter of birthday

Commonly Asked Questions:

What is a Golden Birthday?

A golden birthday is a birthday when the date of your birthday coincides exactly with your age.

What is the Sense of a Birthday?

It indicates the day that you were born. In other words, we say that it is the year of growth that brings the combination of memories.

What is Half Birthday Relative to the Celebrities?

You can find half birthdays for you, and friends, or find HB for celebrities from our database that is packed below.

Your Birthday Date Your Next Half Birthday Celebrities You Share Your Half Birthday With
January 1 July 1 Poppy, Acrello, Ryan Grantham Nia Lovelis, Colin Morgan. Tank, Martie Blair, Diamond White
January 15 July 15 Martin Luther King, Jr., Ash Kash Pitbull, Dove Cameron, Skrillex
Grace VanderWaal, Ben Shapiro
January 15 July 15 Martin Luther King, Jr., Ash Kash
Pitbull, Dove Cameron, Skrillex
Grace VanderWaal, Ben Shapiro
January 31 July 31 Justin Timberlake, Mallory Mahoney Minnie Driver, Josh Richards
Jackie Robinson, Joel Courtney
February 1 August 1 Harry Styles, Rayhart Adams Michael C. Hall, Clark Gable, Jihyo
Lisa Marie Presley, Jessica Baio
February 15 August 15 Megan Three Stallion, Dede 3X Zachary Gordon, Birdman
Lil Poopy, Ross Duffer
February 28 August 28 Rudy Mancuso, LunarEclipse Jason Aldean, Dream Doll
Adam McArthur, Jonathan Daviss
February 29 August 29 Korede Bello, Ja Rule Tony Robbins, Dinah Shore
Mark Foster, Jessie Usher
March 1 September 1 Justin Bieber, Kesha, Philza Don Lemon, Sapnap
Sabrina Quesada, Jensen Ackles
March 15 September 15 Lil Dicky, william, Derkslurp Connor Ball, Eva Longoria
Paul Pogba, Alia Bhatt
March 31 October 1 Tait Blum, Christopher Walken Ewan McGregor, Josh Beauchamp
Vice Ganda, Noah Urrea, Powfu
April 1 October 1 Asa Butterfield, Debbie Reynolds Troy Baker, Randy Orton
Milly Alcock, Kid Ink, Logan Paul
April 15 October 15 Luis Fonsi, Cooper Barnes Emma Watson, Seth Rogan
Cody Christian, Jacquees
April 30 October 30 Travis Scott, Lil TJ, Bella Blu Gal Gadot, Kirsten Dunst
Ana de Armas, Dianna Agron
May 1 November 1 Charli D’Amelio,YNW Melly Lizzy Greene, Jamie Dornan
James Murray, Tim McGraw
May 15 November 15 Sarah Hunt, Role Model, Birdy Zara Phillips, SmokePurpp
Mollee Gray, Andy Murray
May 31 December 1 Kouvr Annon, Normani
CupcakKe, Brooke Shields
June 1 December 1 Tom Holland, Heidi Klum, Notch Marilyn Monroe, Morgan Freeman
Amy Schumer, Willow Shields
June 15 December 15 Sissy Sheridan, Courtney Cox Ice Cube, Mohamed Salah
Neil Patrick Harris, Dani Calleiro
June 30 December 30 Cheryl Ann Tweedy, TinaKitten
Michael Phelps, Mike Tyson
July 1 January 1 Jack Avery, Princess Diana
Brynn Rumfallo, Tate McRae
July 15 January 15 Abbie Herbert, Ariana Lee Bonfiglio, Cora Bennett
Gabriel Iglesias, Julio Pena
July 31 January 31 Lil Uzi Vert, Angelica Hale
J.K. Rowling, Hayden Haas
August 1 February 1 Christopher Sturniolo, Jason Momoa, Leon Thomas III Delina Hillock, Mia Stammer Matthew Sturniolo
August 15 February 15 Chief Keef, Ben Affleck
Joe Jonas, Jennifer Lawrence
August 31 March 1 Jason Maybaum, Chris Tucker
Jeff Hardy, Malinda Panton
September 1 March 1 Jungkook, Dr. Phil, Sam Hurley
Zendaya, Olivia Haschak
September 15 March 15 Prince Harry, Felix Lee, Tom Hardy
Jenna Marbles, Sommer Ray
September 30 March 30 Chantel Jeffries, Levi Miller
Trevi Moran, Maddie Ziegler
October 1 April 1 FGTeeV Chase, Julie Andrews Sage Rosen, Luna Blaise
Olivia Dunne, Brie Larson
October 15 April 15 Malu Trevejo, Daniel Gizmo Billy Unger, Bailee Madison
AllAroundAudrey, Zephan Clark
October 31 May 1 Christopher Columbus, ItsFunneh Willow Smith, Frank Iero
Autumn Monique, Danielle Rose Russell, Marcus Rashford
November 1 May 1 GeorgeNotFound, NLE CHOPPA Paige Hyland, Jayden Bartels
Macei, Lil Peep, Anthony Ramos
November 15 May 15 Jeffree Star, Jenny Popach Shailene Woodley, MatPat
Jackson Passaglia, HyunJin
November 30 May 30 Jorge Garay, Emily Skinner Ben Stiller, Chrissy Teigen
Trinity Fatu, Ian Hecox, Steve Aoki
December 1 June 1 Zoe Kravitz, Corinna Kopf Tyler Joseph, Janelle Monae
Robert Irwin, Vance Joy, Ella Gross
December 15 June 15 Antonio Garza, Sicily Rose Maude Apatow, Jeff Wittek
Skyler Aboujaoude, Maya Henry
December 31 July 1 Brooklyn McKnight, Hunter Schafer, Max Mills, Harvey Mills
Gabby Douglas, Psy, TanqR

References:

From the Source Wikipedia: Half-birthday, Popular culture

Alan Walker

Studies mathematics sciences, and Technology. Tech geek and a content writer. Wikipedia addict who wants to know everything. Loves traveling, nature, reading. Math and Technology have done their part, and now it's the time for us to get benefits.


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