📅 Dates & Age (7 tools)

Age and day-count calculators and a Japanese era (Reiwa, Heisei, Showa) converter.

Age on any date, or days between two dates.

Reiwa, Heisei and Showa years to western years and back.

Statutory paid leave days in Japan from your start date, for full-time and part-time work.

How many days until a date, with week and month equivalents.

The weekday of any date, and its distance from today.

Exact age, days since birth and days to the next birthday.

Dog, cat, rabbit and hamster age in human years, with life stage.