midpoint of date and time

[mrmogway]

Hi,

I am hoping someone can help with this seemingly simple formula. I need to know the exact midpoint of various given dates and times. Data is given as follows; start date 03/10/2011 @ 14:26 and end date 3/17/2011 @ 13:22

I can do this by crude formulas but I bet there's a simple way. No offense to FM power users but in Excel it's ridiculously simple. Thank you in advance for any help.

[comment]

No offense to FM power users but in Excel it's ridiculously simple.

No offense to you, but it is ridiculously simple in Filemaker. However, I am not sure what exactly "03/10/2011 @ 14:26" means: are those two fields (one for date and one for time), or one timestamp field, or something else?

[mrmogway]

No offense to you, but it is ridiculously simple in Filemaker. However, I am not sure what exactly "03/10/2011 @ 14:26" means: are those two fields (one for date and one for time), or one timestamp field, or something else?

the fields would be: start date (date field), start time (time field), end date (date field) end time (time field) no timestamp, all user input.

the result in my example would be 3/14/2011 02:24

[comment]

Try =

Average ( Timestamp ( StartDate ; StartTime ) ; Timestamp ( EndDate ; EndTime ) )

Set the calculation's result type to Timestamp.

the result in my example would be 3/14/2011 02:24

Perhaps you have made it too simple in Excel - because the correct result is 3/14/2011 1:54:00.

[mrmogway]

Try =

Average ( Timestamp ( StartDate ; StartTime ) ; Timestamp ( EndDate ; EndTime ) )

Set the calculation's result type to Timestamp.

Perhaps you have made it too simple in Excel - because the correct result is 3/14/2011 1:54:00.

Yes yes yes ty, but... the result is present in one field. I need to break that up so that the date is in one field: mDate and the time in another: mTime. The reason being is because these are/will be included in calculations of I-131 in air particulates and charcoal cartridges.

[comment]

Change the calculation to =

GetAsTimestamp (

Average ( Timestamp ( StartDate ; StartTime ) ; Timestamp ( EndDate ; EndTime ) )

)

for both fields. Set the result type to Date or Time as required.

[mrmogway]

Thank you for taking your time to help! I believed FM had a simple formula. I was searching in a different direction and didn't look into the Timestamp function. I have been using FM for years and have simply stayed with the functions I'm familiar with and made do. I will explore more and get up to speed. Thanks again.