I just wondered if it was possible to check time availavilty within a
spreadsheet.

For example. I have the following data
Date Start Time End Time
5/2/03 09.00 11.00
5/2/03 13.00 15.30
5/2/03 15.00 16.00

For the 3rd entry I would like to display an error as there is already a
meeting scheduled for this time.

I have asked this before, but maybe wasn't very clear in what I required, as
I had no responses. If there is no way to do this, many thanks for taking
the time to read this post. If there is possbly another way I could work
this please let me know, any help would be greatly appreciated.

Many Thanks

In this set up you can add a formula in cell D3 as follows:

=IF(B3="","",IF(B3<C2,"ERROR",""))

and copy it into D4 (and downwards). I have assumed you have a row of
headings, so you actually want to check from the second entry onwards.

Hope this helps.

Pete

Put this is the second data row and copy down

=IF(OR(SUMPRODUCT(--($B$2:B2<=B3),--($C$2:C2B3))0,SUMPRODUCT(--($B$2:B2<=C
3),--($C$2:C2C3))0),"Error","")

--

HTH

Bob Phillips

(remove nothere from the email address if mailing direct)

"Pendelfin" wrote in message
...
I just wondered if it was possible to check time availavilty within a
spreadsheet.

For example. I have the following data
Date Start Time End Time
5/2/03 09.00 11.00
5/2/03 13.00 15.30
5/2/03 15.00 16.00

For the 3rd entry I would like to display an error as there is already a
meeting scheduled for this time.

I have asked this before, but maybe wasn't very clear in what I required,
as
I had no responses. If there is no way to do this, many thanks for taking
the time to read this post. If there is possbly another way I could work
this please let me know, any help would be greatly appreciated.

Many Thanks

Assuming you have dates in column A from A2 down and the start times are
from B2, end times from C2

you could use this formula in D2 and copy down column

=IF(SUMPRODUCT(--(A$1:A$10+B$1:B$10<A1+B1),--(A$1:A$10+C$1:C$10A1+B1)),"oops!","")


--
daddylonglegs
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I have tried that formula, but it appears to show "oops!" in valid times, and
not in invalid ie the 8/1 doesn't show oops?

Please advise.

Date Start End
01-Jan 09.15 10.00
02-Jan 16.00 17.00 oops!
03-Jan 09.00 15.15
03-Jan 14.00 16.00 oops!
05-Jan 12.00 13.00 oops!
06-Jan 09.00 11.00 oops!
06-Jan 17.00 18.00
08-Jan 11.00 11.30
08-Jan 11.00 11.30



"daddylonglegs" wrote:


Assuming you have dates in column A from A2 down and the start times are
from B2, end times from C2

you could use this formula in D2 and copy down column

=IF(SUMPRODUCT(--(A$1:A$10+B$1:B$10<A1+B1),--(A$1:A$10+C$1:C$10A1+B1)),"oops!","")


--
daddylonglegs
------------------------------------------------------------------------
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Bob

I tried the following formula but I have errors on Valid rows.

Please help.

Date Start End Time Check
01-Jan 09.15 10.00
02-Jan 16.00 17.00
03-Jan 09.00 15.15 Error
03-Jan 14.00 16.00 Error
05-Jan 12.00 13.00 Error
06-Jan 09.00 11.00
06-Jan 17.00 18.00 Error
08-Jan 11.00 11.30

I would only expect to see the error on rows 3 and 4.
I have entered this into cell d2 and copied this down is this incorrect?

Many Thanks

"Bob Phillips" wrote:

Put this is the second data row and copy down

=IF(OR(SUMPRODUCT(--($B$2:B2<=B3),--($C$2:C2B3))0,SUMPRODUCT(--($B$2:B2<=C
3),--($C$2:C2C3))0),"Error","")

--

HTH

Bob Phillips

(remove nothere from the email address if mailing direct)

"Pendelfin" wrote in message
...
I just wondered if it was possible to check time availavilty within a
spreadsheet.

For example. I have the following data
Date Start Time End Time
5/2/03 09.00 11.00
5/2/03 13.00 15.30
5/2/03 15.00 16.00

For the 3rd entry I would like to display an error as there is already a
meeting scheduled for this time.

I have asked this before, but maybe wasn't very clear in what I required,
as
I had no responses. If there is no way to do this, many thanks for taking
the time to read this post. If there is possbly another way I could work
this please let me know, any help would be greatly appreciated.

Many Thanks