Find the fun new age for yourself,
or check one for a friend or partner to surprise them.
Your typical 365-day cycle around the Sun
About 30 days each, tied loosely to lunar phases
The standard 24-hour cycle, marking Earth's rotation
A span of 12 or 13 lunar months, based on the cycles of the Moon's phases (Vietnamese calendar)
1 year on Mercury ≈ 88 Earth days
1 year on Venus ≈ 225 Earth days
1 year on Mars ≈ 687 Earth days
1 year on Jupiter ≈ 12 Earth years
1 year on Saturn ≈ 29 Earth years
1 year on Uranus ≈ 84 Earth years
1 year on Neptune ≈ 165 Earth years
Dogs (medium-sized) reach about 24 human years by age 2, after which each dog year is equivalent to only about 4 to 5 human years
Cats reach about 24 human years by age 2, after which each cat year is equivalent to only about 4 human years