If you want to know your age on another planet, here is a calculator that will help you find out your age on other planets. Simply enter your Earth birth date, choose a planet and find out how old you will be in planetary years, days and time units.
Learn how time changes in the solar system and find out your age on Mars, Jupiter and beyond.
🪐Age on Planet (Years)---
📅Planet Months (Conceptual)---
🗓️Planet Weeks (Conceptual)---
🌍Total Earth Days Lived---
🌏Age in Earth Years---
🌔Age in Earth Months---
📆Age in Earth Weeks---
⏱️Age in Earth Hours---
⏲️Age in Earth Minutes---
⏳Age in Earth Seconds---
🎉Next Planet Birthday (Earth Days)---
🎂Next Earth Birthday (Earth Days)---
How to Use This Calculator
- Enter Your Birthdate: Use the date picker for your Earth birthdate.
- Select a Planet: Choose from the dropdown. Earth is included for comparison.
- Calculate: Hit "Calculate Age."
- View Results: The summary shows your age on the chosen planet and your age on Earth. The grid below shows your age in various time units, such as conceptual months and weeks, and the time until your next birthday.
Note: Planetary months and weeks are ideas to help us understand time on other planets. A planet's year is the time it takes for it to revolve around the sun, and is divided into 12 planetary months or about 52 planetary weeks. These are based on space data, for Earth, a year counts as 365.25 days.