DATE
Returns the serial number of a particular date.
Dates & Time Calculations are essential for planning, reporting, SLAs, and time-series analysis. These functions help you add, compare, and format dates safely.
This collection groups Excel functions that are commonly used for dates & time calculations workflows. Instead of browsing hundreds of formulas, you can focus on the exact tools that solve this type of task.
Each function page includes a short explanation and practical usage context. Use these functions as standalone tools or combine them to build more advanced, maintainable formulas.
If you frequently work with reports, dashboards, or recurring templates, bookmarking the key functions from this collection will speed up your day-to-day work.
Returns the serial number of a particular date.
Calculates the number of days, months, or years between two dates. This function is useful in formulas where you need to calculate an age.
Converts a date in the form of text to a serial number.
Converts a serial number to a day of the month.
Returns the number of days between two dates.
Calculates the number of days between two dates based on a 360-day year.
Returns the serial number of the date that is the indicated number of months before or after the start date.
Returns the serial number of the last day of the month before or after a specified number of months.
Converts a serial number to an hour.
Returns the number of the ISO week number of the year for a given date.
Converts a serial number to a minute.
Converts a serial number to a month.
Returns the number of whole workdays between two dates.
Returns the number of whole workdays between two dates using parameters to indicate which and how many days are weekend days.
Returns the serial number of the current date and time.
Converts a serial number to a second.
Returns the serial number of a particular time.
Converts a time in the form of text to a serial number.
Returns the serial number of today's date.
Converts a serial number to a day of the week.
Converts a serial number to a number representing where the week falls numerically with a year.
Returns the serial number of the date before or after a specified number of workdays.
Returns the serial number of the date before or after a specified number of workdays using parameters to indicate which and how many days are weekend days.
Converts a serial number to a year.
Returns the year fraction representing the number of whole days between start_date and end_date.