Alright then ... from the FIRST century ... or before ... document(s) wherein days and nights are found. --- By the way, I don't understand "_not_ included".
I take you mean Matthew 12:40 and Jonas 2, the words, "three days and three nights.
Well, here they are from just about every angle in all four Gospels,
Abib 14, Wednesday night and Thursday day = Fifth Day ....
1A) HERE BEGINS the NIGHT and the FIRST of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
wherein Jesus ENTERED IN in “the Kingdom of my Father” (Jesus’ Jonah’s descent to hell) :–
Mk14:12/17; Mt26:17/20; Lk22:7/14; Jn13:1.
1B) HERE BEGINS the MORNING of the FIRST of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
in which Jesus was delivered and crucified :–
Mk15:1/Mt27:1/Lk23:1/Jn19:14
1C) HERE is the LATE NOON AND MID–AFTERNOON of the FIRST of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
when Jesus DIED and was deserted by all :–
Mk15:37–41; Mk27:50–56; Lk23:44–49; Jn19:28–30
. . . . . .
Abib 15, Thursday night and Friday day = Sixth Day ....
2A) HERE BEGINS the SECOND of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
the day whereon Joseph WOULD BURY the body of Jesus :–
Mk15:42/Mt27:57, Lk23:50–51, Jn19:31/38.
2B) HERE is the NIGHT of the SECOND of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
wherein Joseph begged the body, and according to the law of the Jews – the passover’s law – undertook and prepared to bury Jesus:–
Mk15:43–46a; Mt27:58–59; Lk23:52–53a; Jn19:31b–40
2C) HERE is the LATE NOON AND MID–AFTERNOON of the SECOND of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
when Joseph and Nicodemus laid the body and closed the tomb; and men and women left for home :–
Mk15:46b–47; Mk27:60–61; Lk23:53b–56a; JN19:41–42
. . . . . . .
Abib 16, Friday night and Saturday day = Seventh Day Sabbath....
3A) HERE BEGINS the THIRD of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
THAT JESUS WOULD RISE FROM THE DEAD ON :–
Lk23:56b
3B) HERE is the MORNING of the THIRD of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
Pilate ordered a guard “for the third day” :–
Mt27:62–66
3C) HERE is “IN the Sabbath’s Fullness MID–AFTERNOON” of the THIRD of the “three days”, “according to the Scriptures” – the passover–Scriptures :–
First Sheaf Wave Offering Before the LORD :–
Mt28:1–4.
__________________________________________________ ___
Abib 17, Saturday night and Sunday day = First Day ....
4A) HERE begins the day AFTER the “three days” (fourth day of the passover season) :–
that Jesus WOULD APPEAR on :–
Mk16:1, “When the Sabbath was past ..... they BOUGHT ....”
4B) HERE is the EVENING of this day,
Jn20:1–10 Mary sees the DOOR STONE was away from the tomb (discovers tomb has been OPENED);
4C) HERE is the NIGHT of this day,
Lk24:1–10 “DEEP(EST) DARKNESS” ––– “women with their spices” and ointments go to salve the body; “they found Him NOT” (discover tomb is EMPTY);
Mk16:2–8 “very early (before) SUN’S RISING” ––– women’s return–visit to ascertain; “they fled terrified and told N

NE”.
4D) Here is sunrise (‘Sunday’ morning),
Jn20:11f, Mk16:9 “Mary had had stood behind” .... saw the gardener (sunrise); “Risen, early (sunrise) on the First Day, Jesus first APPEARED to Mary ....”
Mt28:5–10 “The angel explained to the (other) women (Mt28:1–4) .... As they went to tell .... Jesus met them” (after sunrise).
Mt28:11–15 Guard to high priests.
USE BIBLES OF BEFORE THE TWENTIETH CENTURY – they are not as wangled as the later ones. And compare those ancient translations with the modern ones to see the truth of the older ones!