You can generate negative times if you use the 1904 date system
Tools > Options > Calculation > 1904 date system
....although if you use on an existing worksheet it'll make all your
dates 4 years later!
Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.