Time And Date calculators
33 calculators Age Calculator Find your exact age in years, months, days, hours and seconds. See your zodiac sign, generation, day of the week you were born, and a countdown to your next birthday.
Open Date Calculator Calculate days, weeks, months and years between dates, count business days only, include the end day, or add and subtract years, months, weeks and days from any date.
Open Hours Calculator Find hours and minutes between two times, deduct breaks, apply rounding rules, calculate overtime, and estimate gross pay. Handles overnight shifts.
Open 8-Hour Shift Calculator Enter your shift start time, breaks, and hourly rate to instantly find your end time, total hours, overtime, gross pay, and net take-home earnings.
Open Add Time Calculator Add up to five time values in hours, minutes, and seconds. Get the total in HH:MM:SS, decimal hours, and total minutes or seconds instantly.
Open Age Difference Calculator Calculate the exact age difference between two people in years, months, and days. Includes total weeks, the half-your-age-plus-7 rule, and who is older.
Open Anniversary Calculator Calculate how long you have been together, find your next anniversary date, see days remaining, and get the traditional and modern gift for every milestone year.
Open Baby Age Calculator Find your baby's exact age in years, months, weeks, and days from their birth date. See upcoming milestone dates plus a full 24-month calendar.
Open BC to AD Calculator Calculate years between any BC (BCE) and AD (CE) date instantly. Covers the no-year-zero rule with step-by-step working, reverse solve, and century conversion.
Open Birthday Calculator Find your exact age in years, months and days, count down to your next birthday, see your zodiac sign, generation, birthstone and the day of the week you were born.
Open Business Days Calculator Count business days between two dates, add working days to a start date, or subtract them. Skips weekends, public holidays and custom days off instantly.
Open Calendar Calculator Find the exact number of days, weeks, months and years between two dates, or add and subtract years, months, weeks and days from any date. Business days included.
Open Chronological Age Calculator Calculate your exact chronological age in years, months, and days from any birth date to any reference date. Also shows total weeks, days, and days until your next birthday.
Open Date to Date Calculator: Days Between Two Dates Calculate the exact number of days, weeks, months, and years between any two dates. Also find business days, total hours, and add or subtract time from a date.
Open Day Counter Count the days between two dates, add or subtract days from a date, and see weekdays vs. weekends at a glance. Free, instant, no sign-up needed.
Open Day of the Year Calculator Find the day number of any date (1-366), days remaining in the year, week number, quarter, and year-progress. Reverse lookup converts a day number back to a date.
Open Every Second Calculator Find out how many times any global event happens every second, minute, hour, day or year. Births, lightning strikes, Google searches and more with sources.
Open Hours and Minutes Calculator Add or subtract hours and minutes, convert between hours, minutes, seconds and decimal hours, and find what clock time results from adding a duration.
Open Korean Age Calculator Find your Korean age instantly. Enter your date of birth to see your traditional Korean age, the 2023 official age, and how many days until you age up next.
Open Leap Year Calculator Check if any year is a leap year, find all leap years in a range, count how many days the year has, and see the next and previous leap years. Instant results.
Open Lunar Age Calculator Find your Chinese lunar age, Hijri Islamic age, and Chinese zodiac animal from any birth date. Shows the formula, worked steps, and how lunar age differs from solar age.
Open Minute Calculator Convert minutes to hours, seconds, and days, or add and subtract minutes from a duration. Free online minute calculator with a full time breakdown.
Open Month Calculator | Month Counter Count the exact months and days between any two dates, add or subtract months from a date, or find how many months have passed since any month and year.
Open Moon Phase Calculator Find the moon phase for any date: phase name, illumination percentage, lunar age, and exact dates for the next new moon and full moon.
Open Palindrome Date Finder Check if any date is a palindrome in US, European, or ISO format. Find the previous and next palindrome dates, plus a list of upcoming palindromes.
Open Reverse Time Calculator Convert any recurring rate from one time unit to all others instantly. Enter occurrences per second, minute, hour, day, week, month, or year and see every equivalent.
Open Sidereal Time Calculator Calculate Greenwich and local sidereal time for any date, time, and longitude. Get GMST, GAST, LMST, LAST, Julian Date, and telescope hour angle in seconds.
Open Subtract Time Calculator Subtract one time duration from another in days, hours, minutes, and seconds. Get the result as HH:MM:SS and in each unit, with a step-by-step breakdown.
Open Time Calculator Add or subtract two time durations, or find the difference between a start and end time. Get results in days, hours, minutes and seconds instantly.
Open Time Difference Calculator Calculate the exact time difference between two times. Get hours, minutes, seconds, decimal hours and a full breakdown. Works across midnight too.
Open Time Duration Calculator: Hours, Minutes and Seconds Between Two Times Find the exact time between two clock times or add/subtract a duration from any start time. Get hours, minutes, seconds, and decimal hours instantly.
Open Time to Decimal Calculator Convert hours, minutes, and seconds to decimal hours, decimal minutes, or total seconds instantly. Includes reverse conversion, payroll formula, and a quick-reference table.
Open Week Calculator Calculate weeks between two dates, add weeks to a date, or subtract weeks from a date. Shows full weeks, leftover days, workweeks, and the result date instantly.
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