Date & Time Calculators

Age, date difference, working days, week numbers, countdowns, time zones and Unix timestamps.

Age Calculator – Calculate exact age in years, months and days from date of birth, with next birthday.
Date Difference Calculator – Find the difference between two dates in years, months, days, weeks and hours.
Days Between Dates – Count the number of days, weekdays and weekend days between two dates.
Add Days Calculator – Add days, weeks, months or years to a date and get the resulting date.
Subtract Days Calculator – Subtract days, weeks, months or years from a date to find an earlier date.
Working Days Calculator – Count working days between two dates, excluding weekly offs and holidays.
Business Days Calculator – Add or subtract business days from a date, skipping weekends and holidays.
Leap Year Checker – Check whether a year is a leap year and find the next and previous leap years.
Week Number Calculator – Find the ISO week number, day of the year and quarter for any date.
Countdown Calculator – Live countdown in days, hours, minutes and seconds to any date and time.
Time Duration Calculator – Calculate hours and minutes between two times, minus breaks, for timesheets.
Time Zone Converter – Convert time between IST and world time zones with daylight saving handled.
Unix Timestamp Converter – Convert Unix epoch timestamps to dates and dates back to timestamps.
Unix Timestamp to Date – Convert a Unix timestamp in seconds or milliseconds to a readable date in IST and UTC.
Date to Unix Timestamp – Convert a date and time in any time zone to a Unix timestamp.
Date Calculator – Find the difference between two dates or add and subtract days, weeks, months and years.

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