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Excel Tips…Using CONCATENATE with dates


If you want to include a date value in a cell using CONCATENATE to combine text and other cells, you need to include the TEXT function and include the format of the date you want.

A B C < C function >
1 Stephen 18/12/1946 Stephen’s birthday is 18/12/1946 =CONCATENATE(A1,”‘s birthday is “,TEXT,(B1,”dd/mm/yyyy”))
1 George 14 May 1944 George’s birthday is 14-May-1944 =CONCATENATE(A2,”‘s birthday is “,TEXT,(B2,”dd-mmm-yyyy”))
1 Christopher 30-7-70 Christopher’s birthday is 30 December 1970 =CONCATENATE(A3,”‘s birthday is “,TEXT,(B3,”dd mmmm yyyy”))


Also see


Excel Tips…Using TIME


If you want to do calculations based on cells containing times you need to use the TIME and TIMEVALUE functions.

Add 1 hour to time

You can’t simply use =A1+1 to add an hour to a time stored in A1, you need to define which part of the time value – hh:mm:ss – you want to add one to. You must define the value as TIME then use hh,mm,ss options for the value to add

A B < B function >
1 04:00 05:00 =A1+TIME(1,0,0)
2 04:00 04:30 =A2+TIME(0,30,0)

Show a time range using a cells time as starting point

Use CONCATENATE or & to add free text (“~”) between the time from an existing cell and existing cell +3 hours

A B < B function >
1 04:00 04:00~07:00 =CONCATENATE(TEXT(A1,”hh:mm”),”~”,TEXT(A1+TIME(3,0,0),”hh:mm”))
2 04:00 04:00~07:00 =TEXT(A2,”hh:mm”)&”~”&TEXT(A2+TIME(3,0,0),”hh:mm”)

If time in cell is less than defined time minus one day

If you want to use time from a reference cell in a function you have to use TIMEVALUE
e.g. if time in column A cell is less than 01:00, take date from column B cell and -1 day, else leave same value as column B cell

A B C < C function >
1 12:30 AM 10/06/2016 09/06/2016 =IF(A1>=TIMEVALUE(“01:00 AM”),B1,B1-1)
2 02:00 AM 10/06/2016 10/06/2016 =IF(A2>=TIMEVALUE(“01:00 AM”),B2,B2-1)
3 01:00 AM 10/06/2016 10/06/2016 =IF(A3>=TIMEVALUE(“01:00 AM”),B3,B3-1)

Also see


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