According to Official Guinness Records,
The longest duration juggling three objects blindfolded is 22 min 7 sec, and was achieved by David Rush (USA), at the Cradlepoint Block Party in Boise, Idaho, USA on 5 October 2016. David broke his previous record of 6 min 34 sec, which he had set at the 2015 Cradlepoint Block Party. David made this attempt to promote the importance of STEM education.
For a complete list of 2016 records, please visit 2016 Guinness Records in United States.