Excel Date and Time Functions return a dynamic date or time in a cell.
To calculate months between two dates as a whole number, you can use the DATEDIF function. Formula =DATEDIF(start_date,end_date,”m”) Explanation In the example shown, the formula in D6 is: =DATEDIF(B6,C6,”m”) Note that the DATEDIF automatically rounds down. To round up to the nearest month, see below. The mystery of DATEDIF The DATEDIF function is a “compatibility” …
To join a date with text, you can use concatenation with the TEXT function to control the date format.Generic formula =”text”&TEXT(date,format) Note: To control the date format, we use the TEXT function, which is designed to convert a number into text using a specified number format. Explanation In the example shown, the formula in E4 is: …
This tutorials covers how to generates Series of dates increment by weekends from a single start date in Excel. If need to generate a dynamic series of dates with a formula that include only future weekend dates (i.e. Sat and Sun), you can do so with a formula that uses the IF and WEEKDAY functions. Formula …
This tutorial shows how to Convert Excel time to Unix time in Excel using example below. To convert a time in Excel’s format to a Unix time stamp, you can use a formula based on the DATE function. Formula =(A1-DATE(1970,1,1))*86400 > Explanation In the example shown, the formula in C5 is: =(B5-DATE(1970,1,1))*86400 How this formula …
To get the nth day of year based on a given date, you can use a formula based on the DATE and YEAR functions. Formula =date-DATE(YEAR(date),1,0) Explanation In the example shown, the formula in C5 is: =B4-DATE(YEAR(B4),1,0) With the date “June 1, 2016” in cell B4, the formula returns 153, since June 1st is the 153rd day …
To add a date stamp in a workbook to indicate a “date last updated”, you can use the TEXT function. Note: The TEXT function can apply number formatting to numbers just like Excel’s built-in cell formats for dates, currency, fractions, and so on. However, unlike Excel’s cell formatting, the TEXT function works inside a formula …
This tutorials covers how to generate series of dates increment by workdays from a single start date in Excel If need to generate a dynamic series of dates that are workdays only (i.e. Monday through Friday), you can do so with a simple formula that uses the the WORKDAY function Formula =WORKDAY(date,1) Explanation In the …
This tutorial shows how to create custom weekday abbreviation in Excel using example below. To create a custom weekday abbreviation, you can use a formula based on the CHOOSE and WEEKDAY functions. With this approach, you can generate a custom one-letter abbreviation, two-letter abbreviation, or any weekday that makes sense in your particular situation. Formula =CHOOSE(WEEKDAY(date),”S”,”M”,”T”,”W”,”T”,”F”,”S”) …
If you need to calculate the percent remaining in a year, based on a given date, you do so with a formula based on the YEARFRAC function. Formula =YEARFRAC(DATE(YEAR(date),1,1),date) Explanation In the example, the formula in C5, which calculates percentage of year remaining, is: =YEARFRAC(DATE(YEAR(B5),1,1),B5) How the formula works the YEARFRAC function takes two dates, …
To list holidays that occur between two dates, you can use a formula based on the TEXTJOIN and IF functions. Formula {=TEXTJOIN(“, “,TRUE,IF(dates>=start,IF(dates<=end,holidays,””),””))} Note: the TEXTJOIN function is new in Excel 2016. Explanation In the example shown, the formula in F8 is: {=TEXTJOIN(“, “,TRUE,IF(B4:B12>=F5,IF(B4:B12<=F6,C4:C12,””),””))} This is an array formula and must be entered with control + shift + enter. How …
This tutorial shows how to Create date range from two dates in Excel using example below. To display a date range in one cell based on dates in different cells, you can use a formula based on the TEXT function. Formula =TEXT(date1,”format”)&” – “&TEXT(date2,”format”) Explanation In the example shown, the formula in cell E5 is: …
To calculate a project end date based on a start date and duration, you can use the WORKDAY function. Formula =WORKDAY(start,days,holidays) Explanation In the example shown, the formula in E5 is: =WORKDAY(C5,D5,holidays) where “holidays” is the named range G5:G9. How this formula works This formula uses the WORKDAY function to calculate an end date. WORKDAY can calculate dates …
To calculate the next anniversary date, you can use a formula based on the EDATE and DATEDIF functions. Case Study: Assume fixing anniversary date as June 1, 2017 in all examples. Formula =EDATE(date,(DATEDIF(date,as_of,”y”)+1)*12) Explanation In the example shown, the formula in D5 is: =EDATE(B5,(DATEDIF(B5,C5,”y”)+1)*12) This formula will work to calculate next upcoming birthday as well. How this …
This tutorial shows how to Convert text date dd/mm/yy to mm/dd/yy in Excel using example below. To convert dates in text format dd/mm/yy to a true date in mm/dd/yy format, you can use uses a formula based on the DATE function. Formula =DATE(RIGHT(A1,2)+2000,MID(A1,4,2),LEFT(A1,2)) Explanation In the example shown, the formula in C5 is: =DATE(RIGHT(B5,2)+2000,MID(B5,4,2),LEFT(B5,2)) Which …
To calculate an approximate project midpoint date, you can use the WORKDAY function. Note: The WORKDAY function returns a date in the future or past, based on a start date, workdays, and optional holidays. WORKDAY automatically excludes weekends, and counts only Monday through Friday as workdays. Formula =WORKDAY(start,days/2,holidays) Explanation In the example shown, the formula in E5 …
To get the next payday – assuming a biweekly schedule, with paydays on Friday – you can use a formula based on the CEILING function. Formula =CEILING(date+1,14)-1 Explanation In the example shown, the formula in C6 is: =CEILING(B6+1,14)-1 Note: this formula assumes Excel’s default 1900 date system. How this formula works This formula depends on …
This tutorial shows how to Count times in a specific range in Excel using example below. To count times that occur within a certain range, you can use the COUNTIFs function. Formula =COUNTIFS(range,”>=”&start,range,”<“&end) Explanation In the example shown, the formula in E7 is: =COUNTIFS(B5:B11,”>=”&E5,B5:B11,”<“&E6) How this formula works The COUNTIFS function takes one or more …
This tutorial shows how to Display Days in month in Excel using example below. To get the number of days in a given month from a date, you can use a formula based on the EOMONTH and DAY functions. Formula =DAY(EOMONTH(date,0)) Explanation In the example shown, the formula in cell B5 is: =DAY(EOMONTH(B5,0)) How this …
To calculate a project start date or custom date based on an end date and duration in days, you can use the WORKDAY function. Note: WORKDAY function does not count the start date as a workday. Formula =WORKDAY(start,-days,holidays) Explanation In the example shown, the formula in E5 is: =WORKDAY(C5,-D5,holidays) where “holidays” is the named range G5:G9. How …
— Next business day 6 months in future To get a date 6 months in the future, on the next work day, you can use a formula based on the WORKDAY function, with help from EDATE. Formula =WORKDAY(EDATE(date,6)-1,1,holidays) Explanation In the example shown, the formula in C6 is =WORKDAY(EDATE(B6,6)-1,1,B9:B11) How this formula works Working from …
This tutorial shows how to Count holidays between two dates in Excel using example below. To count holidays that occur between two dates, you can use the SUMPRODUCT function. Formula =SUMPRODUCT((holidays>=start)*(holidays<=end)) Explanation In the example shown, the formula in F8 is: =SUMPRODUCT((B4:B12>=F5)*(B4:B12<=F6)) How this formula works This formula uses two expressions in a single array …
If you want to calculate the quarter (i.e. 1,2,3,4) from a date, you can use the ROUNDUP function together with MONTH. Formula =ROUNDUP(MONTH(date)/3,0) Explanation In the example shown, the formula in cell C5 is: =ROUNDUP(MONTH(B5)/3,0) How this formula works In this case, the formula first extracts the month as a number between 1-12, then divides …
To get the next working day, or next business day, you can use the WORKDAY function. Formula =WORKDAY(date,1,holidays) Explanation In the example shown, the formula in C4 is: =WORKDAY(B4,1,holidays) How this formula works The WORKDAY formula is fully automatic. Given a date and days, it will add days to the date, taking into account weekends …
This tutorial shows how to Convert date string to date time in Excel using example below. To convert a date string to a datetime (date with time) you can parse the text into separate components then build a proper datetime. When date information from other systems is pasted or imported to Excel, it may not …
This tutorial shows how to Count day of week between dates in Excel using example below. To count the number of Mondays, Fridays, Sundays, etc. between two dates you can use an array formula that uses several functions: SUMPRODUCT, WEEKDAY, ROW, and INDIRECT. Formula =SUMPRODUCT(–(WEEKDAY(ROW(INDIRECT(date1&”:”&date2)))=dow)) Explanation In the example shown, the formula in cell E6 …
To get the same date next month from a given date, you can use the EDATE function. Formula =EDATE(date,1) Explanation In the example shown, the formula in cell B5 is: =EDATE(B5,1) How this formula works EDATE can get the “same date” in the future or past, based on the number of months supplied. When 1 …
To pad week numbers (or any number) with zeros using a formula, you can use the TEXT function. Formula =TEXT(WEEKNUM(date,type),”00″) Explanation In the example show, D5 contains this formula: =TEXT(WEEKNUM(B5,21),”00″) Which returns the string “07”. How this formula works The TEXT function can apply number formats of any kind, including currency, date, percentage, etc. By …
This tutorial shows how to Convert date to Julian format in Excel using example below. If you need to convert a date to a Julian date format in Excel, you can do so by building a formula that uses the TEXT, YEAR, and DATE functions. Formula =YEAR(date)&TEXT(date-DATE(YEAR(date),1,0),”000″) Explanation Background “Julian date format” refers to a …
This tutorial shows how to Count dates in current month in Excel using example below. To count dates in the current month, you can use a formula based on the COUNTIFS or SUMPRODUCT function as explained below. Formula =COUNTIFS(range,”>=”&EOMONTH(TODAY(),-1)+1, range,”<“&EOMONTH(TODAY(),0)+1) Explanation In the example shown above, the formula in E7 is: =COUNTIFS(dates,”>=”&EOMONTH(TODAY(), -1)+1,dates,”<“&EOMONTH(TODAY(),0)+1) Where “dates” …
To get the same date next year from a given date, you can use the EDATE function. Formula =EDATE(date,12) Explanation In the example shown, the formula in cell B5 is: =EDATE(B5,12) EDATE can get the “same date” in the future or past, based on the number of months supplied. When 12 is given for months, …
If you need to add up (sum) up race time splits that are some combination of hours, minutes, and seconds, you can simply use the SUM function. However, you must take care to enter times with the right syntax and use a suitable time format to display results, as explained below. Formula =SUM(range) Explanation The …
This tutorial shows how to Convert date to month and year in Excel using example below. To convert a normal Excel date into yyyymm format (e.g. 9/1/2017 > 201709), you can use the TEXT function. Formula =TEXT(date,”yyyymm”) Explanation In the example shown, the formula in C6 is: =TEXT(B6,”yyyymm”) How this formula works The TEXT function …
If you need to get the week number from the day from a date, you can use the WEEKNUM function. The date must be in a form that Excel recognizes as a valid date. Note: The WEEKNUM function takes two arguments, a date, and, optionally, an argument called return_type, which controls the scheme used to calculate …
To sum the total amount of time over 30 minutes, given a set of times that represent duration, you can use the SUMPRODUCT and TIME functions. Alternatively, use SUMIFS and COUNTIFS functions. Formula =SUMPRODUCT((range-TIME(0,30,0))*(range>TIME(0,30,0))) Explanation In the example shown, the formula in G5 is: =SUMPRODUCT((times-TIME(0,30,0))*(times>TIME(0,30,0))) where “times” is the named range C5:C14. How this formula works This formula …
This tutorial shows how to Convert date to text in Excel using example below. If you need to convert dates to text (i.e. date to string conversion) , you can use the TEXT function. The TEXT function can use patterns like “dd/mm/yyyy”, “yyyy-mm-dd”, etc. to convert a valid date to a text value. See table below for …
This tutorial shows how to get age from birthday in Excel using example below. If you need to calculate a person’s age from their birth date, you can do so with the YEARFRAC, INT, and TODAY functions. As stated in the formula below, birthdate is the person’s birthday with year, and TODAY supplies the date …
To calculate the total number of work hours between two dates, you can use a formula based on the NETWORKDAYS function, where “start” is the start date, “end” is the end date, “holidays” is a range that includes dates, and “hours” is the number of work hours in a workday. Formula =NETWORKDAYS(start,end,holidays)*hours Explanation In the …
To get the duration between two times in as decimal hour (i.e. 3 hrs, 4.5 hrs, 8 hrs, etc.) you can use a formula based on the MOD function. Formula =MOD(end-start,1)*24 Explanation In the example shown, the formula in D5 is: =MOD(B2-A2,1)*24 Excel hours In Excel, one day is the number 1, so 1 hour …
This tutorial shows how to Convert decimal hours to Excel time using example below. To convert hours in decimal format to a value Excel recognizes as time, divide by 24. Formula =hours/24 Explanation In the example shown the formula in C5 is: =B5/24 which returns 0.04167, the equivalent of 1 hours. Cell D6 shows the …
To calculate total work hours between two dates and times, you can use a formula based on the NETWORKDAYS function. Formula =(NETWORKDAYS(start,end)-1)*(upper-lower) +IF(NETWORKDAYS(end,end),MEDIAN (MOD(end,1),upper,lower),upper) -MEDIAN(NETWORKDAYS(start,start) *MOD(start,1),upper,lower) Explanation In the example shown, E5 contains this formula: =(NETWORKDAYS(B5,C5)-1)*(upper-lower) +IF(NETWORKDAYS(C5,C5),MEDIAN (MOD(C5,1),upper,lower),upper) -MEDIAN(NETWORKDAYS(B5,B5) *MOD(B5,1),upper,lower) where “lower” is the named range H5 and “upper” is the named range H6. How this formula …