Sabbath

Institution of, instructions for, blessings for observance of: Ge 2:2–3; Ex 16:23–30; 20:8–11; 23:12; 31:12–17; 34:21; 35:2–3; Lev 23:3; Dt 5:12–15; Ne 9:13–14; 13:15–22; Isa 56:2–7; 58:13–14; Jer 17:19–27
Type, shadow of already but not yet eschatalogical reality: Mt 11:28–30; Col 2:16–17; Heb 3:7–19; 4:1–11
Perpetual, still binding in New Testament: Ex 31:16–17; Mt 5:17–18
Ceremonial aspects done away in Christ: Ro 14:5–10; Col 2:16–23 — see also Jn 4:21–24
Jesus, Son of Man is Lord of Sabbath: Mt 12:1–8 (cf. Mk 2:23–28; Lk 6:1–5); Mt 12:9–14 (cf. Mk 3:1–6; Lk 6:6–11); Jn 5:1–18

The Lord’s Day is Christian Sabbath

Jesus’ resurrection was on a Sunday: Mt 28:1; Mk 16:1–2, 9; Lk 24:1; Jn 20:1, 19
NT Christians observe the Lord’s Day: Ac 20:7; 1Co 16:1–2; Rev 1:10