Erev Rosh Hashanah ServiceJuly 30, 2019 in Services tagged Mount Sinai Simi Valley by Meridith Patera Event Details Date: September 29, 2019 7:30 pm – 9:30 pm Venue: Mount Sinai Simi Valley Categories: Services Sunday, September 29th 7:30pm – Erev Rosh Hashanah ServiceMt. Sinai Memorial Park Simi Valley, 6150 Mount Sinai Drive, Simi Valley, CA 93063