Calculate time differences, ages, dates, and durations with our comprehensive time tools
Calculate your exact age in years, months, and days
Add or subtract days, months, years from dates
Add, subtract, and calculate time durations
Online stopwatch with lap timing
Calculate pregnancy due dates and milestones
Convert time between different time zones
Calculate the difference between two dates
Calculate hours worked and time differences
Calculate running and walking pace
Calculate duration between times and dates