Date calculators – Date to Date Calculator, Business Date Calculator and more

This website (www.timeanddate.com/date/) comes with a lot of date time calculators handy:

Date and Time Calculators

Find out how many days, months and years there are between any two dates.

Add or subtract any number of days to/from a start date.

Find the precise duration between two dates and times — down to the second.

Add or subtract days, hours, minutes, and seconds to/from a start date and time.

Exclude holidays and weekend days from your date-to-date calculation.

Add or subtract days, excluding holidays and weekend days.

Day length, azimuth, distance etc.

With 2 speed animation! Local times for Solar and Lunar Eclipses and what it will look like.

Equinoxes and Solstices mark the beginning of a new astronomical sesason. Local dates and times.

Direction, illumination percentage etc.

New Moon, 1st Quarter, Full Moon, and 3rd Quarter. Local times worldwide.

LIVE Map: Showing the Sun's and Moon's position in the sky with daylight and night time.

Find out the day of the week for a date of your choice.

Calculate the week number for a date or locate any week number on a calendar.

Find the time difference between two cities.

How far is it?

Time zone conversions for your flight.

Which country & area codes do I have to dial?

Source:

https://www.timeanddate.com/date/