🗓️ Date & Time Calculators
Free tools for working with dates and times — calculating age, counting days between dates, timing countdowns, and measuring working days. All run in your browser with no account required.
Calculators
Age Calculator
Calculate exact age in years, months, and days from any date of birth.
📅Date Difference Calculator
Find the number of days, weeks, months, and years between any two dates.
⏳Countdown Calculator
Count down to any future date — birthdays, holidays, deadlines, and milestones.
💼Business Days Calculator
Count working days (Mon–Fri) between two dates, excluding weekends.
⏲️Time Duration Calculator
Add or subtract hours and minutes from any start time. Handles midnight crossover.
🌍Time Zone Converter
Convert any date and time between Eastern, Central, Mountain, Pacific, UTC, London, Paris, Tokyo, and Sydney.
📆Date Calculator
Add or subtract days, weeks, months, or years — what date is 30, 60, or 90 days from today.
🕐Time Card Calculator
Weekly work hours from clock-in/out times, with breaks, overtime, and gross pay.