Date & Time
23 tools
Free date and time tools: age and birthdays, days between dates, date math, business days, countdowns, week numbers, leap years, time zones, timestamps, plus an online clock, stopwatch and Pomodoro timer.
Age CalculatorExact age and next birthdayDays Between DatesCount days between two datesDate CalculatorAdd or subtract days from a dateBusiness Days CalculatorCount weekdays between datesUnix Timestamp ConverterEpoch time to date and backBirthday CalculatorBirthday countdown, zodiac, birth year from ageCountdown CalculatorDays, hours, minutes until a dateTime Unit ConverterSeconds, minutes, hours, daysTime Difference CalculatorHours between two times, add timeDay of the Week CalculatorWhat day of the week is a date?Leap Year CheckerLeap year? Days in year and monthWeek Number CalculatorWhat week is it? Dates of a weekYear ProgressHow much of the year has passedOnline ClockCurrent time, digital or analogOnline StopwatchStart, stop and record lapsCountdown TimerSet a time, get an alarmPomodoro Timer25 min focus, 5 min breakTime Zone ConverterConvert times between citiesDate Format ConverterISO 8601, RFC 2822, timestamps12 / 24 Hour Time ConverterAM/PM to military time and backChinese Lunar Calendar ConverterConvert between lunar and Gregorian datesChinese Zodiac CalculatorFind your Chinese zodiac and star signChina Public HolidaysHoliday schedule and make-up workdays