🗓️ 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
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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.