# TimeSnap - Complete Age Calculator Reference

Free online age calculator — find your exact age in years, months, days, hours, and seconds. Birthday countdown, zodiac signs, dog years, planetary ages, and more.

Last updated: 2026-08-12T08:43:06.630Z

## How TimeSnap Works
TimeSnap provides a comprehensive suite of age and date calculators. All calculations run instantly in the browser with visual breakdowns. No sign-up required, no data stored or transmitted.

## Calculators

### Exact Age Calculator
- URL: https://age.thicket.sh/exact-age
- Purpose: Calculate your precise age in years, months, days, hours, minutes, and seconds
- Inputs: Date of birth (year, month, day), optional time of birth
- Output: Exact age broken down into years, months, days, hours, minutes, seconds. Total days lived, weeks lived, hours lived
- Method: Calendar-accurate date arithmetic accounting for leap years and varying month lengths
- Use cases: Curiosity, milestone tracking, legal age verification calculations

### Date Difference Calculator
- URL: https://age.thicket.sh/date-difference
- Purpose: Calculate the exact duration between any two dates
- Inputs: Start date, end date
- Output: Difference in years, months, days, weeks, hours, minutes. Business days between dates
- Method: Calendar-aware subtraction with options for inclusive/exclusive counting
- Use cases: Project planning, event countdown, historical date comparisons

### Birthday Countdown
- URL: https://age.thicket.sh/birthday-countdown
- Purpose: Count down to your next birthday with a live timer
- Inputs: Date of birth
- Output: Days, hours, minutes, seconds until next birthday. Upcoming birthday day-of-week, age you will turn
- Use cases: Birthday planning, anticipation tracking

### Zodiac Sign Calculator
- URL: https://age.thicket.sh/zodiac
- Purpose: Find your Western and Chinese zodiac signs with personality traits
- Inputs: Date of birth
- Output: Western zodiac sign (with date range), Chinese zodiac animal (with year range), element, personality traits, compatibility info
- Method: Standard zodiac date ranges for Western; lunar calendar year mapping for Chinese
- Use cases: Astrology interest, personality exploration, compatibility checking

### Dog Years Calculator
- URL: https://age.thicket.sh/dog-years
- Purpose: Convert human age to dog years using modern veterinary science
- Inputs: Dog's age in human years, dog breed/size category
- Output: Dog's age in "dog years," life stage (puppy, adult, senior), breed-adjusted aging rate
- Method: American Veterinary Medical Association guidelines — first year = 15 dog years, second year = 9 dog years, each subsequent year = ~5 dog years, adjusted by breed size
- Use cases: Pet health awareness, understanding your dog's life stage

### Life Expectancy Calculator
- URL: https://age.thicket.sh/life-expectancy
- Purpose: Estimate life expectancy based on lifestyle and demographic factors
- Inputs: Current age, sex, country, smoking status, exercise frequency, BMI range, alcohol consumption, family history
- Output: Estimated life expectancy, years remaining, comparison to national average, factors adding/subtracting years
- Method: Actuarial base tables adjusted by lifestyle risk factors from epidemiological studies
- Disclaimer: Estimates only — not medical advice
- Use cases: Retirement planning, health motivation, life insurance context

### Day of Week Calculator
- URL: https://age.thicket.sh/day-of-week
- Purpose: Find what day of the week any date falls on
- Inputs: Any date (past, present, or future)
- Output: Day of the week, whether it's a weekday or weekend, fun facts about that day
- Method: Zeller's congruence or equivalent calendar algorithm
- Use cases: Birthday day-of-week, historical event lookups, planning

### Age on Other Planets
- URL: https://age.thicket.sh/age-on-other-planets
- Purpose: Calculate your age on every planet in the solar system
- Inputs: Date of birth
- Output: Your age on Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune (in planetary years and Earth days)
- Method: Divides Earth age by each planet's orbital period in Earth years
- Orbital periods: Mercury 0.24 yr, Venus 0.62 yr, Mars 1.88 yr, Jupiter 11.86 yr, Saturn 29.46 yr, Uranus 84.01 yr, Neptune 164.8 yr
- Use cases: Education, curiosity, fun facts

### Generation Calculator
- URL: https://age.thicket.sh/generation
- Purpose: Determine which generation you belong to
- Inputs: Birth year
- Output: Generation name, birth year range, key characteristics, historical events that shaped the generation, generational stereotypes vs. reality
- Generations: Greatest (1901-1927), Silent (1928-1945), Baby Boomer (1946-1964), Gen X (1965-1980), Millennial (1981-1996), Gen Z (1997-2012), Gen Alpha (2013+)
- Use cases: Self-identification, sociological interest, marketing context

## Technical Details
- All calculations: Client-side JavaScript with instant results
- Privacy: No personal data is stored or transmitted
- Accuracy: Calendar-aware calculations accounting for leap years and month lengths

## Pages
- Homepage: https://age.thicket.sh
- All calculators accessible from homepage navigation

## API Endpoints
- LLM Summary: https://age.thicket.sh/llms.txt
- LLM Full Reference: https://age.thicket.sh/llms-full.txt
- Structured JSON API: https://age.thicket.sh/api/llm