It was the 3rd Sunday of 2025. If you were born on this date, your birthday numbers 12, 21, and 2025 reveal that your life path number is 6. Your zodiac sign is Capricorn with a ruling planet Saturn, your birthstone is the Tanzanite, Turquoise, Zircon and Topaz, and your birth flower is the Narcissus. You are 2 old, and were born in the 2020s, in the middle of Generation Alpha. The generation you are born into makes an impact on your life. Swipe up to find out what it all means.
→ December 21, 2025 was a Sunday
→ Zodiac sign for this date is Capricorn
→ This date was 996 days ago
→ 2025 was the Year of the Serpent
→ In 2025, December 21 is on Monday
→ You are -1 years old in Korean Age
View snazzy December 21, 2025 birthday facts that no one tells you about, such as your life path number, birthstone, ruling planet, zodiac sign and birth flower.
People born on this day will turn 1 in exactly .
If you were born on this date:
You have been alive for . You were born in the Year of the Serpent. Your birth sign is Capricorn, with a ruling planet Saturn. On your birthday, the moon was in Waxing 🌒 phase, and there were precisely 34 full moons after you were born to this day. Your billionth second will happen sometime on August 29, 2057.
→ You’ve slept 332 days or 0.91 years.
→ Your next birthday is away
→ You’ve been alive
→ You were born in the Year of the Serpent
→ You have been alive 23,911 hours
→ You are 1,434,695 minutes old
→ Age on next birthday: 1 years old
You were born on a Sunday
December 21, 2025, was the 3rd Sunday of that year. It was also the 355th day and 12th month of 2025 in the Georgian calendar. The next time you can reuse the 2025 calendar will be in 2031. Both calendars will be exactly the same.
There are left before your next birthday. Your 1st birthday will be on a Monday, and the birthday after that will be on a Monday. The timer below is a countdown clock to your next birthday. It’s always accurate and automatically updated.
You’ve slept 33% of your life!
Assuming you’ve been sleeping 8 hours daily since birth. Here is how much time you’ve spent sleeping so far:
You’ve slept 0.91 years of your life.
You’ve slept 11 month of your life.
You’ve slept 47 week of your life.
You’ve slept 332 days of your life.
Did you know you have taken approximately 20,079,360 breaths since your birth? Moreover, using 80 beats per minute as average, your heart has beaten over 114,739,200 times. You have also blinked over 24,382,080 times in your lifetime.
#1 Song on your birthday
The number one song in the US on the day of your birth was [Not available]. No song matches found. (Billboard Hot 100 – December 21, 2025). Ask your parents if they remember this popular song.
Celebrities born on December 21, 2025
You share a birthday with We could not find a celebrity that shares a birthday with you. However, we update our database constantly, and invite you to check back later to see if we found someone with the same birthday.
We have over 150,000 celebrities in our database. We will continue to update this list with matching birthdays, so bookmark this page and check back often. You can also find all celebrity birthdays born on December 21, 2025.
Holidays on December 21, 2025
Here are a few holidays that are celebrated on your birthday:
We track thousands of holidays, you can view all of the holidays on December 21 here.
What happened on December 21st
Below are some of the most important historical events that happened on 21 December 2025.
Sports in 2025
NBA – to win the NBA Finals.
NHL – to win the Stanley Cup.
MLB – to win the World Series.
Your life path number is 6
So what does your birthday really say about you and what does your life path number mean? On the next page, we’ll explain what your birth sign, ruling planet, age generation, birthstone, and birth flower mean — and more!
Continue to the next page to discover the answers to the most important questions about your birthday.