It was, but EASTERN Time, not local.
https://www.marketingexpress.irs.gov/systems-status/system-status-mef/modernized-efile-mef-operation....
P.S. Here is a correction for @itonewbie post which had too many digits. https://proconnect.intuit.com/community/lacerte-tax-discussions/discussion/efile-shutdown-wasn-t-it-...
