Shalom in Sweet Name of Yeshua I pray you all are blessing,

Yes and I am looking forward the Sweet Queen Shabbat is the corner comes at sunset tonight. Yes and I still believe from sunset to sunset is the key.
The Son of Man is Master (Lord) even of Shabbat:
Shabbat is for people (humankind/mankind/humans/humanity), not just “Jews”. Please click on Mark 2:27 (of course reading on Mark 2:23-28).
Shabbat Restoration Mark 2:23-28 TLV
23 Now it happened on Shabbat that Yeshua was going through the grain fields; and His disciples began to make their way, plucking the heads of grain. [b] 24 The Pharisees were saying to Him, “Look, why are they doing what is not permitted on Shabbat?”[c]
25 And He said to them, “Haven’t you ever read what David did when he was in need, and he and those with him became hungry? [d] 26 How he entered into the house of God when Abiathar was kohen gadol and ate the showbread, which is permitted only for the kohanim to eat, and gave some even to those who were with him?”
27 Then He said to them, “Shabbat was made for man, and not man for Shabbat. 28 So the Son of Man is Lord even of Shabbat.”
Footnotes:
c. Mark 2:24 cf. Exod. 20:10; 23:12; Deut. 5:14.
d. Mark 2:26 cf. Lev. 24:5-9; 1 Sam. 21:1-6.
I enjoy learning new Hebrew words sharing you all like this:
Sunset (שְׁקִיעַת הַחַמָּה, Shkiyat Hachamah – often referred to simply as ShKia/Sh’Kia/SheKia) is the time at which the ball of the sun falls below the horizon. The new day begins at this point for almost all purposes. For example, the calendar date changes.

I found very simple what I like and understood:
Definition of Nightfall:
While a day starts and ends at nightfall, the exact moment when night — and the next calendar date — begins is not clear.
The twilight period, from sunset (“shekiah”) until three stars are visible in the sky (“tzeit hakochavim“), is an “iffy” time period, known as “bein hashmashot.” Shabbat and all the holidays begin at sunset, the earliest possible definition of nightfall, and end when three stars appear in the sky the next evening, the latest definition of nightfall.
Sunset (שְׁקִיעַת הַחַמָּה, Shkiyat Hachamah – often referred to simply as ShKia/Sh’Kia/SheKia) is the time at which the ball of the sun falls below the horizon. The new day begins at this point for almost all purposes. For example, the calendar date changes.
Bein Hashemashot
Bein Hashemashot (בֵּין הַשְּׁמָשׁוֹת, literally between the suns) is the period between sunset and nightfall, and is considered a time of questionable status. On the Sabbath, festivals, and fast days the stringencies of both the previous and following days apply. For example, if the fast of Tish’a Ba’av immediately follows the Sabbath, the intervening Bein Hashemashot is forbidden in eating, drinking, and working. However, there are occasional leniencies.
Please click The Jewish Day on Genesis 1:5
Please click Zmanim
Bereshit (Genesis) 1:5
“YHWH (Yahweh) called the light Day, and the darkness he called Night. So there was evening, and there was morning, one day.”
Yes and I still believe in Day One (one day) uses the cardinal number אחד “one”. The cardinal number אחד in verse 5—is it “one”. Yom Echad (Day One) is same as some says “a unified day” in Aramaic’s view. Please scroll and enjoy reading.
The ordinal is “first” יום אא חחד “the first day” is nowhere in Genesis 1:5 in Hebrew.
Brown-Driver-Briggs shows H259
H259
אחד <—————Look! The key is “one” is the cardinal number.
‘echâd
BDB Definition:
1) one (number)
1a) one (number)
1b) each, every
1c) a certain
1d) an (indefinite article)
1e) only, once, once for all
1f) one…another, the one…the other, one after another, one by one
1g) first
1h) eleven (in combination), eleventh (ordinal)
Part of Speech: adjective
A Related Word by BDB/Strong’s Number: a numeral from H258
H258
אחד
‘âchad
BDB Definition:
1) (Hithpael) to go one way or another, to be sharp
Part of Speech: verb
A Related Word by BDB/Strong’s Number: perhaps a primitive root
Yes I agree with few versions like this:
“So there was evening and there was morning—one day.” Please click Genesis 1:5
The key is אֶחָד (one) means cardinal number. Hope this helps. May YHWH bless you joyous Shabbat. Shabbat Shalom!

Shabbat Reading on Parashah 34: B’midbar (In the Desert/Wilderness) Numbers 1:1 – 4:20
Haftarah B’midbar: Hosea 1:10-2:20 in Hebrew 2:1-2:22 in Hebrew Bible)
B’rit Hadashah (“NT”) suggested readings for Parashah B’midbar:
Matthew 4:1-17, Luke 2:1-7; Romans 9:22-33, Romans 15:1-7, 1 Corinthians 12:12:31
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