Time & Date Calculators
Time Calculators
A single time span, 12 or 24 hour clock, optional break
Work week hours, 12 or 24 hr clock, optional breaks, OT, decimal hours for payroll calculations
7 days, up to 3 periods/day, up to 2 breaks/day, OT, pay rate for gross pay calculations
Time Clock -- Clock-In and Clock-Out
Track work hours with the click of a button
Calculate total pay, before taxes
Time & Date Difference Calculator
Countdown clock timer to count down to a date or event.
Add, subtract, multiply and divide days, hours, minutes and seconds; do math with time.
Add or subtract time to calculate cumulative time totals in hh:mm:ss format
Add or subtract lap times to calculate totals in mm:ss.s (hundredths of a second) format
Sunrise Sunset Times Calculator
Input latitude and longitude to find sunrise and sunset times for a location on a date or time span
Date Calculators
Calculate the age of any person, place or thing
Verify date of minimum age for 21, 18, 16 and 13 years
Calculate your exact age in years, days hours, minutes and seconds and watch the time increment.
Days Calculator | Business Days Calculator
Add and subtract days or business days to or from a date
Date ± Calendar Units Calculator
Add or subtract days, weeks, months, quarters or years to or from a date
Date Difference for Days or Business Days
Calculate the days or business days between two dates
Time & Date Difference Calculator
Calculate the difference between two dates and times down to minutes and seconds