Date and Time
Free online date and time calculators: days between dates, exact age, business days, countdowns, time zones, calendars, sunrise and sunset times.
34 services|Published: Sep 5, 2025|Updated: Sep 7, 2025
Free online date and time calculators: days between dates, exact age, business days, countdowns, time zones, calendars, sunrise and sunset times.
All Services
Complete list of all services in this category
🧮180 Days From Today Calculator Half Year Ahead🧮30 Days From Today Calculator Quick Deadline Tool🧮90 Days From Today Calculator Deadline Tracker🧮Age Calculator (How old am I and Exact age in years, months, days)🧮Business Days Calculator (Working Days Calculator)🧮Cat Age Calculator Convert Cat Years to Human Years⏰Countdown Timer Online Countdown in Hours Minutes Seconds🧮Date Add Calculator Add Days Weeks Months or Years🧮Date Calculator (Days Between Two Dates)🧮Date Subtract Calculator Subtract Time from Any Date🧮Days Between Dates Calculator🧮Days Since Calculator Track Time Passed Since Any Date🧮Dog Age Calculator Convert Dog Years to Human Years🧮Double Time Calculator Overtime Wage Calculator🧮Fiscal Year Calculator Accounting Year Tool🧮Life Span Calculator Days Weeks and Estimated Heartbeats Lived⏰Military Time Converter 24 Hour and 12 Hour Clock🧮Month Progress Calculator Track Current Month Progress🧮One Year From Today Calculator Annual Deadline Tool🧮Project Timeline Calculator End Date Planner🧮Retirement Date Calculator Estimate Retirement Timeline🧮Salary Calculator Convert Hourly to Annual Pay⏰Stopwatch Online Stopwatch Timer🧮Tenure Calculator Employment Length Tool🧮Text to Time Calculator Convert Natural Language to Time🧮Time Add Calculator Add Hours Minutes or Seconds🧮Time Duration Calculator (Hours, Minutes, Seconds between two times)🧮Time Subtract Calculator Subtract Hours Minutes or Seconds⏰Time Unit Converter Convert Years Days Hours Minutes Seconds🧮Time and a Half Calculator Overtime Pay Estimator🧮Timezone Difference Calculator Hours Between Two Zones🧮Week Number Calculator Find ISO Week of the Year🧮Work Hours Calculator Total Time Worked Minus Breaks🧮Year Progress Calculator Percentage of the Year Completed