December 21, 2011 Birthday Ninja
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December 21, 2011 Birthday Facts

Here are some snazzy birthday facts about that no one tells you about. Don’t wait a minute longer and jump in using the content links below. Average read time of 13 minutes. Enjoy!

Contents

Happy Birthday To You! 🎵

🎉 Introducing Something Special! 🎶

Birthdays are universal—moments of joy, laughter, and celebration. Yet, we often hear the same birthday tunes over and over again. We want to change that.

This is our original birthday music, crafted with care to bring a fresh and exciting sound to birthday celebrations everywhere. It’s more than just a song—it’s a new way to make someone’s special day even brighter!

Original birthday music is rare, and we’re here to fill that gap with energy, creativity, and love. If this track makes you smile, dance, or feel even a little more festive, your support means the world to us.

🎧 Listen, share, and celebrate with us as we bring new birthday tunes to life!

What day was my birthday ?

Cool Info Ninja was a Wednesday and it was the 355th day of the year . It was the 51st Wednesday of that year. The next time you can reuse your old calendar will be in . Both calendars will be exactly the same! This is assuming you are not interested in the dates for Easter and other irregular holidays that are based on a lunisolar calendar.

What day is this year?

The day of the week of your birthday is Sunday. it will be Monday and from now it will be Tuesday. You can check the calendars below if you’re planning what to do on your birthday.

December 2025
SMTWTFS
 
   
December 2026
SMTWTFS
  
  
December 2027
SMTWTFS
   
 

How many days until my next birthday?

There are days left before your next birthday. You will be 14 years old when that day comes. There have been 4,773 days from the day you were born up to today. If you’ve been sleeping 8 hours daily since birth, then you have slept a total of 1,591 days or 4.36 years. You spent 33% of your life sleeping. Since night and day always follow each other, there were precisely 162 full moons after you were born up to this day. How many of them did you see? The next full moon that you can see will be on .

Fun stat: Your first one billion seconds (1,000,000,000) will happen sometime on .

Online birthday games

Birthday GamesIt’s game time! 🎰 I've got a fun challenge for you—can I guess your birthday in less than 20 tries? Here’s how it works: I’ll give you a series of dates, and based on your answers, I’ll try to figure out your special day🎂 It’s all in good fun, and it’s all about you! 🥳 Give it a shot, and let’s see if I can nail down your birthday with this interactive guessing game. 🎉 Let’s play the Birthday Guessing Game together. Of course, I have to assume that I don’t know your birthday 😁

If that doesn’t sound fun to you, we can do it in reverse. Take the Birthday Challenge and guess my birthday. I'll give you six chances to guess correctly. Does that sound fun to you?

How long ago since I was born?

Here are more nerd numbers about your birthday .

  • 681 weeks ago
  • months since then
  • days since
  • The year is not a leap year
  • is in the 51st week of the year (ISO 8601)

What generation do I belong to?

Generation Z, also known as Zoomers, is a unique cohort born from to . They are the first generation to grow up with the Internet and portable digital technology from a young age, earning them the label “digital natives.” Their distinct traits are having a slower pace of life, higher academic focus, and better ability to delay gratification, which set them apart from previous generations. However, they also face unique challenges, such as increased screen time, mental health issues, and sleep deprivation. These factors, along with early puberty and a higher prevalence of allergies and intellectual disabilities, shape their experiences and influence their attention spans and vocabulary.

Generation Z celebrities:

  • – Sakura Miyawaki, Japanese idol and singer (HKT48 and AKB48)
  • – China Anne McClain, American actress and singer (McClain)
  • – Bea Miller, American singer-songwriter and actress
  • – Sakura Oda, Japanese singer (Morning Musume)
  • – Kerry Ingram, English actress and singer
  • – Jared S. Gilmore, American actor
  • – Jasmine Thompson, English singer
  • – Jackson Brundage, American actor
  • – David Mazouz, American actor
  • – Mana Ashida, Japanese actress and singer

What is your birthday story?

You have 4 choices for your birthday gift. What will you choose? Check your answer here: A Birthday Gift Story. Share your comments here.

How old are you in dog years?

If a dog named Keelty - a Chinook breed, was born on the same date as you then it will be 88 dog years old today. A dog’s first human year is equal to 15 dog years. Dogs age differently depending on breed and size. When you reach the age of 6 Keelty will be 45 dog years old. From that point forward a large-sized dog like Keelty will age 5-6 dog years for every human year.

Wanna share this info in social media? Make sure to take a screenshot first. Dog name and breed are randomly generated. Try reloading this page to see a new pet name and a different breed.

YouTubeThink birthdays are boring? Think again! 🎉 Explore unique songs, fun trivia, and amazing facts on our channel. Make your yearly celebration unforgettable! Subscribe now and join the birthday fun! 🎂✨ (Sponsored)

Which celebrity shares my birthday?

You might be happy to know that the following celebrities share your birthday. The list was randomly chosen and arranged in chronological order.

  • Werner von Trapp
  • Olga Aroseva
  • Ed Nelson
  • Willi Resetarits
  • Lillebjørn Nilsen
  • Karmen Stavec
  • Toby Rand
  • Kristjan Sarv
  • Andrea Jeremiah
  • Sarah Mutch

View the complete list of celebrity birthdays.

YouTubeIs your birthday coming up? 🎉 Discover fresh ideas, unique songs, and fun facts to make it unforgettable. Click now and subscribe for birthday magic all year round! 🎂✨ (Sponsored)

Who are the famous birthdays?

Here’s a short list of famous people in history who were born on .

  • Benjamin Disraeli, English lawyer and politician, Prime Minister of the United Kingdom (d. 1881)
  • William H. Osborn, American businessman (d. 1894)
  • Namık Kemal, Turkish journalist, playwright, and activist (d. 1888)
  • Robert Lipshutz, American lawyer and politician, 17th White House Counsel (d. 2010)
  • Itubwa Amram, Nauruan pastor and politician (d. 1989)
  • Carla Thomas, American singer
  • Jane Kaczmarek, American actress
  • Fabiana Udenio, Argentinian-Italian actress
  • Steve Montador, Canadian ice hockey player (d. 2015)
  • Sanita Pušpure, Latvian-Irish rower

View the complete list of famous birthdays.

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What happened on my birthday – ?

These were the events that made history that coincide with your birthday.

  • 1124
    Pope Honorius II is elected.
  • The Rochdale Society of Equitable Pioneers commences business at its cooperative in Rochdale, England, starting the Cooperative movement.
  • The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile.
  • Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans.
  • The United Nations adopts the International Convention on the Elimination of All Forms of Racial Discrimination.
  • The Geneva Conference on the Arab–Israeli conflict opens.
  • Lancaster House Agreement: An independence agreement for Rhodesia is signed in London by Lord Peter Carrington, Sir Ian Gilmour, Robert Mugabe, Joshua Nkomo, Bishop Abel Muzorewa and S.C. Mundawarara.
  • Mexican volcano Popocatépetl, dormant for 47 years, erupts gases and ash.
  • The city of Bethlehem passes from Israeli to Palestinian control.
  • The Spanish Civil Guard intercepts a van loaded with 950 kg of explosives that ETA intended to use to blow up Torre Picasso in Madrid, Spain.

View the complete list of historical events.

YouTubeEver wondered about the history of birthdays? 🎉 Find fun facts, fresh songs, and everything birthday-related on our channel. Click and subscribe to join the celebration! 🎂✨ (Sponsored)

What does my birthday mean?

Your birthday numbers 12, 21, and 2011 reveal that your Life Path number is 1. It represents initiative, potential and singularity. You are a born leader. You insist on your right to make up your own mind; you demand freedom of thought and action.

The following celebrities also have the same life path number: Dušan Kojić, John Badham, Tanel Padar, Alice Barlow, Jeff Morris, Judy Collins, Parminder Nagra, Dan Reynolds, Dev Patel, Joe Warfield.

What is the birthday horoscope for ?

The Western zodiac or sun sign of a person born on is Sagittarius (The Archer) – a mutable sign with Fire as Western element. The ruling planet is Jupiter – the planet of luck and expansion. According to the ancient art of Chinese astrology (or Eastern zodiac), Rabbit is the mythical animal and Metal is the Eastern element of a person born on .

Did you know? Born on a cusp — or the borderline between two signs — describes a person whose birthday is December 21. Cuspers can be a blend of both signs. Sometimes a Sagittarius, sometimes a Capricorn, and sometimes both! If you know your approximate time and place of birth, then no worries. You can find your “official” zodiac sign by generating a free natal chart.

What is the birthstone for ?

Turquoise is the modern birthstone for the month of December while Onyx is the mystical birth stone (based on Tibetan origin). The zodiac gemstone for Sagittarius is topaz. Lastly, the birthday stone for the day of the week ‘Wednesday’ is amethyst.

Fun fact: The birth flower for 21st December 2011 is Holly for precious moments.

Birthday Wish

Did someone send you this link? Here’s a birthday wish just for you! Don’t forget to thank the kind soul who sent you this ninja page.

Birthday Wish
TIP: Click the image above if you want to save the high quality version for posting to social media like Facebook, Twitter, or Pinterest. You can also get a new random wish if you want to (the page will reload).

What is a good birthday trivia for ?

Q: What do you call a person who shares the same birthday?
A: Birthday twins – easy!

If you enjoyed this video, give it a thumbs up and share it with someone who loves learning new things. Don’t forget to subscribe so you won’t miss our next exciting look into the world of birthday trivia!

Fun stat: The world population in the year of your birth is 6,935,999,491. (U.S. Census Bureau)

What was the number one song on my birthday?

The number-one hit song in the U.S. at the day of your birth was We Found Love by Rihanna featuring Calvin Harris as compiled by Billboard Hot 100 (December 24, 2011). Ask your parents if they know this popular song.

Rihanna - We Found Love (feat. Calvin Harris) [Chuckie Extended Remix] We Found Love (feat. Calvin Harris) [Chuckie Extended Remix]
Rihanna
We Found Love (The Remixes) [feat. Calvin Harris]


Listen on Apple Music

What were you in your past life?

I do not know how you feel about this, but you were a female ♀ in your last earthly incarnation. You were born somewhere around the territory of Southern Australia approximately on 1850. Your profession was digger, undertaker.

Your brief psychological profile in that past life: You are a person with huge energy, good in planning and supervising. If you were just garbage-man, you were chief garbage-man.

Lessons that your last past life brought to present: Your lesson – to learn humility and faith in spiritual principles. You should believe in High Reason.

Can you remember who you were?

How many babies were born on ?

Base on the data published by the United Nations Population Division, an estimated 139,574,160 babies were born throughout the world in the year . The estimated number of babies born on is 382,395. That’s equivalent to 266 babies every minute. Try to imagine if all of them are crying at the same time.

What is the popular baby name on ?

In the United States, the most popular baby name is Sophia. This name was given to 21,837 baby girls. For the boys it’s Jacob. This name was recorded 20,365 times in the year . Any chance you are Sophia or Jacob? (Source: ssa.gov)

News headline for Florida Man

What’s your bizarre Florida Man story? The #FloridaManChallenge is breaking the Internet and social media. Some crazy men, women, or creatures from the Sunshine State are making headlines every day of the year including your birthday. Try this fun exercise. Pick your search engine of choice and type in “florida man ” and see what kind of wild news headline you will get. This viral craze started in 2013 and gets resurrected now and then. The latest was from Tumblr and found its way to Twitter. As they say, the rest is history.

Roman Numerals for

Your birthday in Roman numerals using DD.MM.YYYY notation is:

Birthday Facts Summary

Here’s a quick list of all the fun birthday facts about . Celebrities, famous birthdays, historical events, and past life were excluded.

  • Day index:
  • Day of week: Wednesday
  • Day of week birthstone: Amethyst
  • Week index: 51st Wednesday of 2011
  • Next same calendar year:
  • Day of week this year: Sunday
  • Day of week next year: Monday
  • Day of week in : Tuesday
  • Days until next birthday: days
  • Age on next birthday:
  • Generation: Generation Z or Gen Z or Zoomers
  • Years since birth:
  • Months since birth:
  • Weeks since birth: 681 weeks
  • Days since birth: 4,773 days
  • Days spent sleeping: 1,591 days
  • Years spent sleeping: 4.36 years
  • Part of life spent sleeping: 33%
  • Full moons since birth: 162
  • Next full moon:
  • First one billion seconds: Sometime on
  • Age in dog years: 88 dog years old using a Chinook breed
  • Life path number and meaning: 1 – It represents initiative, potential and singularity. You are a born leader. You insist on your right to make up your own mind; you demand freedom of thought and action.
  • Western zodiac sign: Sagittarius (The Archer)
  • Western zodiac element: Fire
  • Western zodiac sign quality: Mutable
  • Western zodiac ruling planet: Jupiter – the planet of luck and expansion
  • Western zodiac gemstone: Topaz
  • Eastern zodiac animal: Rabbit
  • Eastern zodiac element: Metal
  • Modern birthstone: Turquoise
  • Mystical birthstone: Onyx (based on Tibetan origin)
  • Birth flower: Holly for precious moments
  • world population: 6,935,999,491
  • Number one song: We Found Love by Rihanna featuring Calvin Harris (December 24, 2011)
  • Babies born in : 139,574,160
  • Babies born in every day: 382,395
  • Babies born in every minute: 266
  • Popular girl’s name: Sophia – 21,837 babies
  • Popular boy’s name: Jacob – 20,365 babies
  • Roman numerals:

Share Cool Info Try another birth date of someone you know or try the birthday of these celebrities: – Kimberly Wyatt, American singer-songwriter and dancer (The Pussycat Dolls and Her Majesty & the Wolves); – Betty Marsden, English actress (d. 1998); – Kris Wu, Chinese rapper, singer, songwriter and actor.

Don’t forget to share the info with your friends, loved ones, or social media followers. Who knows, they might appreciate and thank you for it.

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