Birthday Calculator
What Is a Birthday Calculator?
A Birthday Calculator is an online tool that tells you everything about your birthday, including:
- Your current age (years, months, days)
- Your next birthday date
- How many days are left until your next birthday
- The day of the week you were born
- Your Zodiac sign
- Your birthstone
- Total days, hours, and minutes you have lived
If you’ve ever searched for “when is my next birthday?” or “how many days until my birthday?”, this tool gives the answer instantly.
How to Use the Birthday Calculator
Using this online birthday tool is simple:
- Enter your date of birth (DOB).
- Click Calculate birthday details.
- The tool instantly shows:
- Your exact age
- Your next birthday date
- Days remaining until your next birthday
- Your Zodiac sign
- Your birthstone
- The day you were born
- Total time lived
This is the easiest way to calculate birthdays, age, and personal date details.
What Can This Birthday Calculator Tell You?
✔ Exact age today
Example: 25 years, 10 months, 12 days
✔ Next birthday date
Including month, day & year.
✔ Countdown to next birthday
Days remaining until your next birthday.
✔ Day of the week you were born
(Example: You were born on a Tuesday)
✔ Zodiac sign
Based on Western astrology.
✔ Birthstone
Traditional gemstone based on birth month.
✔ Total days lived
Plus total hours and minutes lived.
This makes it one of the most complete birthday information tools online.
Why Use an Online Birthday Calculator?
This tool helps with:
- Birthday reminders
- Planning celebrations
- Astrology details
- School forms
- Age verification
- Personal curiosity
- Social media posts
- Fun facts about your birthdate
No manual calculations needed — everything is automatic.
How Many Days Until My Birthday?
This is one of the most common birthday-related searches.
Just enter your DOB and the calculator will show:
- Days left
- Weeks left
- Whether your birthday is today
- Or if it just passed
If your birthday is today, the tool even shows:
🎉 “Today is your birthday!”
What Day Was I Born On?
Your date of birth corresponds to a specific day of the week.
This tool reveals whether you were born on:
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday
Knowing the weekday of your birth is a popular query, especially for social media and astrology.
Zodiac Sign Based on DOB
Your birthday determines your Zodiac sign:
| Birthday Range | Zodiac Sign |
|---|---|
| Mar 21 – Apr 19 | Aries |
| Apr 20 – May 20 | Taurus |
| May 21 – Jun 20 | Gemini |
| Jun 21 – Jul 22 | Cancer |
| Jul 23 – Aug 22 | Leo |
| Aug 23 – Sep 22 | Virgo |
| Sep 23 – Oct 22 | Libra |
| Oct 23 – Nov 21 | Scorpio |
| Nov 22 – Dec 21 | Sagittarius |
| Dec 22 – Jan 19 | Capricorn |
| Jan 20 – Feb 18 | Aquarius |
| Feb 19 – Mar 20 | Pisces |
The tool detects your sign automatically.
Birthstone by Birth Month
Your birth month has a traditional gemstone:
- January — Garnet
- February — Amethyst
- March — Aquamarine
- April — Diamond
- May — Emerald
- June — Pearl
- July — Ruby
- August — Peridot
- September — Sapphire
- October — Opal
- November — Topaz
- December — Turquoise
The calculator shows your birthstone automatically.
Frequently Asked Questions (FAQ)
Q1: How do I find out my next birthday date?
Ans: Enter your DOB in the tool and it will calculate your next birthday instantly.
Q2: How many days until my birthday?
Ans: The tool shows a countdown to your next birthday in days.
Q3: What day was I born on?
Ans: The tool shows the exact weekday of your birth.
Q4: Does this calculator work worldwide?
Ans: Yes, it uses your local timezone and browser settings.
Q5: Can I calculate someone else’s birthday?
Ans: Yes — simply enter their date of birth.
Q6: Is this birthday calculator free?
Ans: Yes, it is completely free and works on all devices.
Related Tools
Tools
Countdown Pages
- Days Until Birthday
- Days Until New Year
- Days Until Christmas