from twitter:

Official Haven Protocol V3 Announcement Fork Date: 2:15 PM 14th June 2018 (NZDT/GMT +12) 2:15 AM 14th June 2018 (GMT) 10:15 PM 13th June 2018 (New York/GMT -4) 7:15 PM 13th June 2018 (California/GMT -7)
Block Height: 89200