Birthday Calculator

This birthday calculator computes birthday information such as the day of birth (Monday, Tuesday, etc.), time since the previous birthday or until the next birthday, age, zodiac sign (star sign), generation, Chinese zodiac sign, and birthstone based on either the date of birth or age on a specific date. To use this calculator, select whether you know the date of birth or the age on a certain date, enter the required values, and click the 'Calculate' button.

A birthday marks the anniversary of the day a person was born. It's a significant personal milestone that is often celebrated annually. The associated traditions vary widely across cultures and regions. Below are some of the common elements and customs associated with birthdays:

• Celebrations: Most birthday celebrations involve social gatherings where friends and family come together to celebrate the individual. These gatherings often include eating, drinking, music, and other forms of entertainment.
• Cake and candles: A birthday cake is typically decorated and brought out to the birthday person while guests sing a birthday song ("Happy Birthday to You" is the most common in English-speaking countries). Candles are placed on the cake, one for each year of life, and the birthday person makes a silent wish and attempts to blow out the candles in one breath, a practice thought to bring good luck and ensure that the wish will come true.
• Gifts: Giving gifts is a common practice on birthdays; the intent is to show affection and to celebrate the individual's life. These gifts can vary significantly from simple and thoughtful items to more extravagant and personalized presents.
• Cards: Birthday cards are often given alongside a gift or as a standalone gesture. They typically contain messages of goodwill, humor, or affection.
• Special attention and treatment: The birthday person often receives special attention from family and friends, which can include special outings, favorite meals, or a break from everyday responsibilities.
• Cultural significance: In some cultures, certain birthdays have special meanings and are associated with particular rituals. For example, the first birthday is especially celebrated in many cultures because of historically high infant mortality rates; turning 15, 16, or 18 can be marked with ceremonies that symbolize the transition from childhood to adulthood.
• Legal and Social Milestones: Birthdays can also mark when certain rights, responsibilities, and social milestones are reached, such as eligibility to drive, drink alcohol, vote, or be eligible to receive retirement benefits.

In everyday conversations, the terms "date of birth" and "birthday" are sometimes used interchangeably, but they have distinct meanings and implications. While both relate to the day a person was born, their uses in social, legal, and cultural contexts vary significantly. "Date of birth" refers to the exact date on which a person was born including the day, month, and year. The date of birth is used as an essential piece of information in many legal and administrative contexts. It's crucial for identity documents, school enrollment, eligibility for certain benefits, and many other official purposes. The date of birth is a static piece of data that does not change. "Birthday" refers to the annual celebration or acknowledgment of the day a person was born and is more about marking the passage of each year since the person's birth. People celebrate their birthday with various traditions, such as parties, cakes, gifts, and other forms of celebration. Unlike the date of birth, a birthday recurs every year and is often a social occasion.

There are various cultural and astrological symbols linked to a person's date of birth. Based on a their date of birth, these symbols purport to describe aspects such as their personalities, fate, or lifestyle. The following are some of the most commonly associated elements. Some of these symbols are described below. Note that these are just a few of various traditions and belief systems, and their significance can vary widely among different cultures and individuals.

Generation

The term "generation" refers to all of the people born within a specific period of time, typically spanning 15-20 years. Although individuals of course differ, members of a given generation tend to exhibit similar preferences, attitudes, values, and behaviors due to having shared cultural, social, and economic experiences within their formative years that influenced their worldview. Below is an overview of some widely recognized generational cohorts in the United States:

• The Silent Generation refers to those born between 1928 and 1945. This group is characterized by their experiences during the Great Depression and World War II. They tend to value hard work, financial prudence, and have a strong sense of duty towards their country.
• Baby Boomers refers to those born between 1946 and 1964 during a period of post-war economic boom, which resulted in a significant increase in birth rates. Baby Boomers are known for their strong work ethic, commitment to family, and are often associated with a rejection of traditional values through their contributions to social change (women's rights, gay rights, civil rights, etc.).
• Generation X refers to those born between 1965 and 1980. Gen Xers grew up during a time of shifting societal values and economic change. They witnessed the rise of personal computing and the end of the Cold War, which shaped their independent, resourceful, and self-sufficient traits.
• Millennials (or Generation Y): Born between 1981 and 1996, Millennials are the first generation to come of age in the new millennium, hence the name. The period in which this generation grew up is marked by rapid technological advancement and economic volatility—the dot-com bubble, the 2008 financial crisis, and the growth of the Internet all occurred during the development of this generation. Millennials value flexibility, innovation, and social values.
• Generation Z (or Gen Z): Born from 1997 to 2012, Gen Zers are true digital natives who have grown up with access to the Internet and social media. This connectivity fostered global awareness and a strong sense of community and activism. They tend to be tech-savvy, progressive, and pragmatic.
• Generation Alpha: The cohort born from 2013 onward. This generation is still very young but is anticipated to be the most technologically immersed. Early observations suggest they will likely continue the digital trends seen in Generation Z, with even more advanced integration of technology into daily life.

Each generation has traits shaped by the unique economic, political, and cultural climates of their times. Understanding these differences can help in addressing the needs and values of each group effectively, whether in marketing, workplace dynamics, or intergenerational communication.

Zodiac signs

Zodiac signs are a core aspect of astrology, which is a form of divination based on the idea that the positions and movements of celestial bodies—like the sun, moon, planets, and stars—can influence human affairs and natural phenomena. The concept of zodiac signs originated over 2,000 years ago with the Babylonians and was later developed by the Greeks.

There are 12 zodiac signs, each corresponding to a segment of the ecliptic—the apparent path the sun takes across the sky over the course of the year. As the sun moves through each segment, typically lasting around a month, it aligns with a specific constellation. Here is a list of the 12 zodiac signs, the dates they cover, and some traits typically associated with each:

• Aries (March 21 - April 19): Energetic, assertive, and competitive.
• Taurus (April 20 - May 20): Dependable, sensual, and enjoys creature comforts.
• Gemini (May 21 - June 20): Curious, adaptable, and communicative.
• Cancer (June 21 - July 22): Emotional, nurturing, and protective.
• Leo (July 23 - August 22): Dramatic, outgoing, and fiercely independent.
• Virgo (August 23 - September 22): Methodical, meticulous, and practical.
• Libra (September 23 - October 22): Balanced, social, and seeks harmony.
• Scorpio (October 23 - November 21): Intense, passionate, and powerful.
• Sagittarius (November 22 - December 21): Adventurous, optimistic, and freedom-loving.
• Capricorn (December 22 - January 19): Disciplined, ambitious, and hardworking.
• Aquarius (January 20 - February 18): Innovative, quirky, and humanitarian.
• Pisces (February 19 - March 20): Empathetic, intuitive, and sensitive.

In astrology, each sign is also linked to one of the four elements—fire, earth, air, and water—which adds another layer of traits to the signs. For example:

• Fire signs (Aries, Leo, Sagittarius) are considered dynamic and temperamental.
• Earth signs (Taurus, Virgo, Capricorn) are grounded and practical.
• Air signs (Gemini, Libra, Aquarius) are thought to be rational, social, and intellectual.
• Water signs (Cancer, Scorpio, Pisces) are emotional and intuitive.

Zodiac signs are often used by astrologers to predict events in a person's life and to describe personality traits (though these practices are not supported by scientific evidence). Astrology remains popular in many cultures and continues to intrigue people with its mysterious and often reflective insights.

Chinese zodiac

The Chinese zodiac is an ancient system in which each year in a repeating 12-year cycle corresponds to an animal with certain reputed attributes. Unlike the Western zodiac, which is organized in relation to the months in a Gregorian year, the Chinese zodiac is organized relative to the Chinese lunar year. According to Chinese culture, a person born in a particular year will have the traits of the corresponding animal. The cycle of the Chinese zodiac, beginning with the rat and ending with the pig, along with the reputed characteristics of each animal is described below:

• Rat: Intelligent, adaptable, quick-witted, charming, artistic, sociable.
• Ox: Loyal, reliable, thorough, strong, reasonable, steady, determined.
• Tiger: Enthusiastic, courageous, ambitious, charismatic, and exhibits leadership and confidence.
• Rabbit: Trustworthy, empathetic, modest, diplomatic, sincere, sociable, and tend to be caretakers.
• Dragon: Lucky, flexible, eccentric, imaginative, artistic, spiritual, charismatic.
• Snake: Philosophical, organized, intelligent, intuitive, elegant, attentive, decisive.
• Horse: Adaptable, loyal, courageous, ambitious, intelligent, adventurous, strong.
• Goat: Peaceful, generous, well-mannered, shy, creative, empathetic, determined.
• Monkey: Fun, energetic, active, clever, flexible, and curious.
• Rooster: Honest, energetic, intelligent, flamboyant, flexible, diverse, confident.
• Dog: Loyal, faithful, honest, distrustful, temperamental, and often guilty of telling white lies.
• Pig: Loving, tolerant, honest, caring, cultured, generous, and appreciative of luxury.

The Chinese zodiac plays a significant role in Chinese culture, influencing people's lives, actions, and decisions. It is not uncommon for people to use the traits associated with their zodiac sign when considering things such as compatibility in marriage and relationships, the auspiciousness of certain years, and even their career choices.

Birthstones

Birthstones are gemstones that are associated with each month of the Gregorian calendar and are often worn as jewelry. Each stone has a unique significance and historical background, believed to bring good luck, health, and protection to the wearer. The concept of birthstones can be traced back to ancient civilizations, where gemstones were valued not only for their beauty but also for their supposed mystical properties.

The idea of birthstones is believed to have biblical roots, originating from the breastplate of Aaron described in the Book of Exodus, which contained twelve gemstones representing the tribes of Israel. This connection evolved over centuries, with the stones eventually being linked to the twelve signs of the zodiac, and later to the twelve months of the year.

The modern list of birthstones was standardized in 1912 by the American National Retail Jewelers Association, now known as Jewelers of America. This list has been updated occasionally to include more options for certain months as well as to adapt to changing market availability and consumer pre ferences. Below is a list of the birthstones conventionally associated with each given month:

• Garnet (January): Symbolizes trust and friendship.
• Amethyst (February): Known for its beautiful purple color and is thought to promote clarity and tranquility.
• Aquamarine, bloodstone (March): An aquamarine is believed to calm and soothe, while a bloodstone reputedly improves circulation and energy.
• Diamond (April): Associated with strength, love, and eternity.
• Emerald (May): Symbolizes rebirth and love.
• Pearl, alexandrite, moonstone (June): Pearls are associated with wisdom, purity and balance; alexandrite changes color under different lighting and symbolizes luck and prosperity; a moonstone is known for its calming effects and is associated with inner wisdom.
• Ruby (July): Represents love, health, and wisdom.
• Peridot, sardonyx, spinel (August): A peridot is linked to strength and balance; a sardonyx is associated with courage; a spinel is associated with revitalization and longevity.
• Sapphire (September): Known for its deep blue hues, it symbolizes dignity, loyalty, and wisdom.
• Opal, tourmaline (October): An opal is famous for being iridescent and symbolizes purity and truth; a tourmaline is appreciated for its range of colors and soothing properties: a pink tourmaline symbolizes love and compassion while a black tourmaline is linked to protection and grounding.
• Topaz, citrine (November): A topaz symbolizes love and affection; a citrine is believed to bring warmth and energy.
• Turquoise, zircon, tanzanite (December): Each of these stones has unique blue tones and is associated with happiness and relaxation.

In various cultures, birthstones have been embraced for their decorative and symbolic value. They are popular gifts for birthdays, graduations, and other celebrations. Many people wear birthstone jewelry as a form of personal expression and as a way to connect with their birth month.

Traditionally, each stone is believed to hold specific powers, such as protection, healing, and prosperity. While these mystical properties are not scientifically proven, they add to the allure and narrative of birthstones, making them cherished items for many people around the world.