i have a spread sheet that i need to do caluations with mutiple timezones and those time zones can and will change. master user will set master time/date/timezone and the frequently changing user will supply their time zone. how do i get the spreadsheet to grab the right cell/differental so the user will be given the right time to be availble?
ubuntu 15.04
libreoffice 4.4.2.2
english