while this probably fits more into techsupport than vCampus, some thoughts about timestamps. If you want to have the 'T+23h+40m' you might as well just use '23:40'.
I was playing arround in excel a bit and came to the following PE that should do the math for a dynamic hour:
Let me know how it works!
p.s. the '.' is caused by converting a number to a string. so we have to get rid of it with the left function.
Thanks Andreas! PARSETIME was the trick. ('Don't know how I missed that one!)