I'm not sure what time zone you're in, but they're usually open 6 AM to Midnight Tuesdays through Thursdays, Mountain Time. Unless you're working 18 hour days, there should be a time in there somewhere. The main switchboard will be closed, but support will be open.
Have you searched the
Help Center? Try doing a Google search and adding "site:churchofjesuschrist.org/help" to the search criteria.
So we can better help you, please edit your
Profile to include your general location.