Date & Time

8 tools

Age, date differences, and time calculations

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Business

Dates

Developer

Duration

Payroll

Personal

Work

Popular in Date & Time

Age Calculator

Calculate your exact age in years, months, days, and more

Date Difference Calculator

Calculate the exact time between two dates in various units

Time Card Calculator

Calculate weekly time-card totals with multiple daily shifts, break deductions, decimal hours, and overtime

Age Calculator

Calculate your exact age in years, months, days, and more

date difference

Date Difference Calculator

Calculate the exact time between two dates in various units

date difference

days between dates

time between dates

Working Days Calculator

Calculate business days between dates, excluding weekends and holidays

Time Duration Calculator

Calculate duration between two times in hours, minutes, and seconds

time difference

hours calculator

Time Card Calculator

Calculate weekly time-card totals with multiple daily shifts, break deductions, decimal hours, and overtime

time card calculator

timesheet calculator

hours worked calculator

Date Calculator

Add or subtract days, weeks, months, and years from any date

date calculator

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates

timestamp converter

Week Number Calculator

Calculate ISO week numbers from dates or find dates from week numbers

week calculator

About These Calculators

Calculate dates, times, ages, and durations with our time-based calculators. Each tool uses industry-standard formulas and is thoroughly tested to ensure reliable results.

Free to use, no registration required. Works on any device — just enter your values and get instant, accurate calculations.