Date CalculatorsDate to Date CalculatorCalculate how many days there are between two dates.Date CalculatorAdd or subtract any number of days to/from a start date.Business Date to Date CalculatorExclude holidays and weekend days from your date-to-date calculation.Business Date CalculatorAdd or subtract days, excluding holidays and weekend days.Time CalculatorsTime Duration CalculatorCalculate the precise duration between two dates with time.Time CalculatorAdd or subtract seconds, minutes, or hours from a given date.Time Zone ConverterCalculate the time difference between places and time zones.Meeting PlannerFind the best time to have a meeting across time zones.Week CalculatorsWeekday CalculatorFind out the day of the week for a date of your choice.Week Number CalculatorCalculate the week number for a date or find the dates of a week.Doomsday CalculatorCalculate the weekday of any given date using the doomsday algorithm.Sun & Moon CalculatorsSunrise and SunsetCalculate local times for day length, dusk, dawn, and much more.Moonrise and MoonsetCalculate local times for moonrise, moonset, altitude, and much more.Moon PhasesExact times for each Moon phase in your city.Moon Distance CalculatorFind out how far away the Moon is at key points in its orbit.Astronomical CalculatorsEclipses WorldwideLocal times for solar and lunar eclipses and what they look like.Day and Night World MapWhere is the Sun directly overhead right now?Seasons CalculatorFind the exact time and date for the astronomical seasons.Other CalculatorsSpecial Age CalculatorFind your age in seconds, minutes, hours, days, and weeks.Date Pattern CalculatorCalculate unique and interesting patterns in different date formats.Distance CalculatorCalculate the distance between two cities or locations.Roman Numeral ConverterConvert Arabic numbers into Roman numerals and vice versa.
Business Date to Date CalculatorExclude holidays and weekend days from your date-to-date calculation.
