Analysis of information sources in references of the Wikipedia article "Expedition 64" in English language version.
The spacewalk officially began at 6:28 a.m. ET and ended at 1:24 p.m. ET. It lasted for about six hours and 56 minutes.
ISS Expedition 64 concluded with the undocking of Russian spacecraft Soyuz MS-17 on April 17, 2021 at 01:34:04 UTC.