A Study of the Biblical Reckoning of Sabbath Time
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When Does the Sabbath Actually Begin?
The Sabbath is the seventh day blessed and sanctified by God. Believers do not keep the Sabbath in order to earn salvation.
Rather, under grace, they remember God’s great works of creation and redemption and look forward to the eternal rest to come.
Today, several different views exist concerning when the Sabbath begins and ends.
Some follow later Jewish tradition and observe the Sabbath from Friday sunset to Saturday sunset.
Some calculate it according to the local time of sunset or the appearance of stars.
Some follow the modern civil calendar and use midnight as the day boundary, that is, the dividing point between one day and the next.
Others, based on various biblical passages, believe that a complete day begins with the daytime, continues through the evening and night, and ends when the next daytime begins.
According to this understanding, the seventh-day Sabbath would begin on Saturday daytime and end on beginning of Sunday daytime.
This study examines whether this last view has biblical and historical support.
1. How Is a “Day” Formed in Genesis?
Genesis 1:3–5 records:
God said, “Let there be light,” and there was light. God saw that the light was good, and God divided the light from the darkness. God called the light Day, and the darkness He called Night. And there was evening, and there was morning, the first day.
It is commonly assumed that because the text says, “there was evening, and there was morning,” a day must therefore begin in the evening.
However, a careful reading of the sequence of the first day in Genesis allows another possibility.
At the beginning of creation, the earth was without form and void, and darkness was upon the face of the deep. Darkness already existed, but the light that God created and distinguished had not yet appeared. God said, “Let there be light,” and only then was there light. God then separated the light from the darkness, calling the light “Day” and the darkness “Night.”
Therefore, the actual sequence of the first day may be understood as:
Initial darkness → God creates light → Day → Evening → Night → Morning → First day completed
This is not exactly the same as saying that the day itself began with evening.
“Evening” is the transition by which the daylight comes to an end and night begins, while “morning” is the transition by which the night ends and daylight begins again.
Therefore, the statement:
“There was evening, and there was morning, the first day”
may also be understood to mean that a complete creation day passed through daylight, evening, and night until morning arrived. At that point the first day was completed and the next day began.
From the second day onward, a day may therefore be represented as:
Daylight → Evening → Night → Morning
That is, the day begins in the daytime after the morning and ends the following morning.
This interpretation is not merely a modern idea. Some Jewish and biblical scholars have argued that ancient Israel may originally have used a morning-to-morning method of reckoning the day.
2. The Day of Atonement: Is “Evening to Evening” the General Reckoning of a Day, or a Special Observance?
Leviticus 23:27 says:
On the tenth day of this seventh month there shall be a Day of Atonement.
Yet Leviticus 23:32 gives the special command:
From the evening of the ninth day of the month until the following evening, you shall observe your sabbath.
This is a very significant passage.
If “the evening of the ninth” were already the beginning of the tenth day, why does the text still call it:
the evening of the ninth day
rather than “the evening of the tenth day”?
Another possible understanding is that the normal date boundary remained in the morning, while the special fasting and self-affliction required for the Day of Atonement began early, on the evening of the ninth, and continued until the evening of the tenth.
Thus:
Morning of the 9th → Evening of the 9th [fast begins] → Morning of the 10th [Day of Atonement] → Evening of the 10th [fast ends]
According to this understanding, “evening to evening” defines:
the special period of observance for the Day of Atonement
rather than necessarily defining:
the day boundary for every day
This distinction is important.
The Bible does not say:
“Every Sabbath must be observed from evening to evening.”
Leviticus 23:32 specifically concerns the Day of Atonement, which also carries the unique command to afflict oneself.
Therefore, extending this verse into a universal rule for the weekly Sabbath requires additional biblical support.
3. The Relationship Between “That Day” and “Morning”
Several passages in the Law of Moses are especially noteworthy.
Leviticus 7:15 says that the meat of the thanksgiving offering must be eaten on the day it is offered and must not be left until morning.
Leviticus 22:30 again says:
It shall be eaten on the same day; you shall leave none of it until morning.
Deuteronomy 21:23 likewise commands:
His body shall not remain all night upon the tree, but you shall surely bury him that day.
These passages naturally present the sequence:
That day → Evening → Night → Morning
They indicate that the evening and night still belong to “that day,” while the coming of morning marks the beginning of the next day.
Therefore, the sacrifice could be eaten during the evening and night of that same day, but it could not remain until morning. Once morning arrived, the boundary of “that day” had been crossed, and the command to consume it “that day” would have been violated.
This wording more directly supports the understanding that a day begins in the morning, continues through daylight, evening, and night, and ends at the next morning.
At the very least, these passages suggest that morning can function as a day boundary, the dividing point between one day and the next.
4. Exodus 16, the Manna, and the First Recorded Sabbath Observance
Exodus 16 is one of the most important passages for studying the timing of the Sabbath.
The people went out each morning to gather manna. On the sixth day, they gathered twice as much.
Moses told them:
Tomorrow is a Sabbath rest, a holy Sabbath to the Lord.
The people kept the food:
until the morning.
Then, in the morning, Moses said:
Eat that today, for today is a Sabbath to the Lord.
The narrative presents the following sequence:
Sixth day: gather a double portion → Night passes → Morning → “Today” is the Sabbath
This is one of the key passages in which God, through Moses, formally teaches Israel how to observe the Sabbath.
It is noteworthy that the passage does not record Moses announcing at sunset on the sixth day:
“The Sabbath has now begun.”
Instead, on the following morning, the seventh day is described as:
“Today is the Sabbath.”
This provides significant evidence for a morning day boundary.
5. Nehemiah’s Closing of the Gates Does Not by Itself Prove That the Sabbath Began at Sunset
Nehemiah 13:19 records:
When the gates of Jerusalem began to grow dark before the Sabbath, I commanded that the gates should be shut and charged that they should not be opened until after the Sabbath.
This passage is often used to prove that the Sabbath began at sunset.
However, the text itself says:
before the Sabbath
Nehemiah closed the gates in advance, during the darkening period before the Sabbath. This can naturally be understood as a preventive measure to stop merchants from bringing goods into the city during the night so they could trade on the following Sabbath day.
Therefore:
Closing the gates at dusk ≠ proof that dusk itself was the beginning of the Sabbath
The passage is compatible with a sunset-beginning interpretation, but it does not by itself prove that sunset was the day boundary.
6. The Time of the Lord Jesus’ Burial Raises an Important Question
The Burial of the Lord Jesus: From Evening Until the Sabbath Was Nearing Dawn
Mark 15:42 records:
“When evening had come, because it was the Preparation Day, that is, the day before the Sabbath…”
The sequence of time in this verse deserves careful attention.
The text explicitly says that:
evening had already come
yet the same period is still called:
“the Preparation Day, that is, the day before the Sabbath.”
In other words, according to the most natural reading of the narrative, evening had already arrived, but it was still the Preparation Day, and the Sabbath had not yet begun.
Joseph of Arimathea then went to Pilate and asked for the body of the Lord Jesus. Pilate was surprised that He was already dead, so he summoned the centurion and asked whether He had been dead for some time. Only after receiving confirmation did Pilate release the body to Joseph.
A series of burial procedures still had to follow. Joseph needed to:
buy fine linen → take down the body → prepare the body → wrap it in linen → place it in a rock-cut tomb → roll a stone against the entrance
John 19:39–40 further records that Nicodemus came with a large quantity of myrrh and aloes, and together they:
prepared the body of Jesus with the spices according to the Jewish burial custom.
Therefore, from the time when evening had already come and Joseph first went to Pilate to ask for the body, through Pilate’s inquiry to the centurion, the release of the body, and the complete burial preparations performed by Joseph and Nicodemus, a significant amount of time must have passed.
After describing these events, Luke 23:54 states:
“That day was the Preparation, and the Sabbath was drawing near.”
This verse is especially noteworthy.
The Greek verb translated “was drawing near” is ἐπέφωσκεν (epéphōsken), from ἐπιφώσκω (epiphōskō). The word is associated with light appearing, day beginning to brighten, or dawn approaching.
Therefore, when the basic sense of the word is considered, Luke’s narrative raises an important question worthy of investigation:
Did the burial of the Lord Jesus begin during the evening of the Preparation Day, continue for some time through the night, and conclude as morning approached, with the seventh-day Sabbath about to “dawn”?
If so, the chronological sequence would be coherent:
Preparation Day in daylight: the Lord is crucified → Evening arrives, yet it is still called the Preparation Day → Joseph requests the body → Joseph and Nicodemus prepare and bury the Lord’s body → Night passes → The Sabbath approaches dawn
This interpretation deserves comparison with the traditional view that the Sabbath began immediately at Friday sunset.
Mark explicitly says that evening had already come while the period was still called “the Preparation Day, the day before the Sabbath.” Luke, after describing the burial, then uses a verb associated with light or dawn to describe the Sabbath as approaching.
Of course, the entire question of Sabbath reckoning cannot be settled by the single Greek word ἐπέφωσκεν alone. The word’s usage in different contexts and the methods of reckoning days among first-century Jews must also be examined.
Nevertheless, when these two passages are read together, they raise a question that should not be lightly dismissed:
If the Sabbath had already begun immediately after Friday sunset, why does Mark, after saying that evening had come, still call the time “the Preparation Day, the day before the Sabbath”? And why does Luke, toward the completion of the burial, use a verb associated with light and dawn to describe the approach of the Sabbath?
Therefore, the account of the Lord Jesus’ burial deserves serious consideration in the study of whether the Sabbath began in the evening or in the morning.
7. Matthew 28:1: “After the Sabbath, Toward the Dawning of the First Day”
Matthew 28:1 is another very important passage.
The Greek wording describes the time as:
after the Sabbath, as it was dawning toward the first day of the week.
According to the most natural chronological sequence:
Sabbath → Night → Dawn → First day
This fits naturally with the understanding that the first day begins at dawn.
All four Gospels record that the women went to the tomb early on the first day of the week.
If the Sabbath had completely ended at sunset on Saturday, why did the women not immediately go to the tomb on Saturday evening rather than waiting until early on the first day?
One may reasonably answer that safety, darkness, lighting, or other practical considerations could explain the delay. Therefore, this point alone is not decisive.
However, when read together with the other passages, it remains significant.
8. John 20:19: “That Same Day, the First Day of the Week, at Evening”
John 20:19 records:
“Then, the same day at evening, being the first day of the week…”
According to the later Jewish sunset-to-sunset system, Sunday evening after sunset would theoretically already belong to the second day.
Yet John still says:
“that same day, the first day of the week, at evening.”
This at least shows that a New Testament writer could describe an evening following the daytime as still belonging to the same “day.”
Of course, some interpreters understand “that same day” simply as a narrative reference to the day of the resurrection rather than as a technical calendar definition.
Therefore, this passage is best used together with other evidence rather than as the sole proof.
9. New Testament Passages in Which “The Next Day” Comes After Evening or Night
The New Testament contains several similar narrative patterns.
Mark 11 records that evening had come, and then speaks of “the next day.”
John 6 first states that evening had come and that it was already dark, and only afterward speaks of “the next day.”
Acts 4 records that because it was already evening, the apostles were held until “the next day.”
Acts 23 describes Paul being escorted during the night, and afterward refers to “the next day.”
These narratives should not all be treated as rigid calendar formulas.
Nevertheless, they demonstrate that:
evening and nighttime were not necessarily treated automatically by the biblical writers as the beginning of the next day.
10. The “Twelve Hours” of Daylight and Morning-Based Timekeeping
The Lord Jesus said:
“Are there not twelve hours in the day?”
— John 11:9
The New Testament frequently refers to the third hour, sixth hour, and ninth hour.
Under the Jewish system of dividing daylight into twelve portions:
the third hour was approximately 9:00 a.m.;
the sixth hour approximately noon;
the ninth hour approximately 3:00 p.m.
This shows that ordinary daytime reckoning in the ancient world began around morning or sunrise.
However, an important distinction must be maintained between:
the starting point for counting the twelve daylight hours
and
the day boundary of a complete twenty-four-hour calendar day
The two are not necessarily identical.
Therefore, this evidence may provide background support for a morning-based understanding, but it should not be used by itself to prove that every day must begin at exactly 6:00 a.m.
For practical observance today, using approximately 6:00–7:00 a.m. local standard time as an operational boundary may provide a consistent system, but it should be clearly stated that this is:
a practical method of implementation, not a biblical command specifying exactly 6:00 a.m.
11. The Special Fast of the Day of Atonement Is Not Automatically the Day-Boundary Formula for the Weekly Sabbath
The Day of Atonement differs in character from the ordinary weekly Sabbath.
The weekly Sabbath is a blessed day of rest and rejoicing.
The Day of Atonement, however, specifically requires:
afflicting oneself.
God gave the special command:
Evening of the 9th → Evening of the 10th
This may well be connected with the distinctive requirements of the Day of Atonement.
Therefore:
“observe it from evening to evening”
should not automatically be expanded, without additional evidence, into:
“every weekly Sabbath must be observed from evening to evening.”
12. Calendar Disputes Already Existed During the Second Temple Period
In studying ancient Jewish calendars, an important historical fact must be remembered:
Ancient Israel did not necessarily use only one unchanging calendar system throughout its entire history.
The Book of Jubilees and the astronomical traditions reflected in 1 Enoch place great emphasis on a 364-day solar calendar.
A 364-day year consists of exactly:
52 complete weeks.
Jubilees 6 even warns that if people determine dates according to lunar observation, festivals and Sabbaths may fall into disorder.
This demonstrates that significant calendar disputes existed within Jewish society during the Second Temple period.
Therefore, even if some passages in Jubilees reflect a system in which a new date began after sunset, this cannot be used in reverse to prove that:
“This was necessarily the original system of Moses.”
Jubilees itself is a Second Temple period work and reflects one particular tradition within that period.
13. Some Modern Jewish Scholars Have Also Argued for an Early Israelite Morning Day Boundary
A number of important twentieth-century Jewish scholars examined this question.
Julian Morgenstern argued that early Israel once reckoned the day from sunrise or dawn to the following sunrise or dawn, and that the sunset-to-sunset system developed later.
Jacob Z. Lauterbach proposed a similar view, arguing that the reckoning of the day in pre-exilic Israel was not necessarily identical with the later rabbinic system, and that some Temple practices preserved an older principle in which night followed the preceding daytime.
P. J. Heawood also discussed the possibility of a morning day boundary through sacrificial laws, Genesis, and New Testament passages.
These studies do not prove that modern scholarship has reached a unanimous conclusion.
They do demonstrate, however, that:
the view that early Israel may originally have used a morning day boundary is not merely a modern invention without scholarly precedent.
It is a position that has been formally proposed and discussed in academic study.
14. The Passion of the Lord and “The Third Day”
All four Gospels identify the day of the Lord Jesus’ crucifixion as:
the Preparation Day.
The Lord also repeatedly foretold that He would rise:
on the third day.
In Luke 24:21, on the afternoon of the first day of the week, the two disciples on the road to Emmaus said:
“Today is the third day since these things happened.”
If the crucifixion occurred on Friday:
Friday = first day
Saturday = second day
Sunday = third day
This agrees naturally with the expression “raised on the third day.”
Therefore, there is no need to move the crucifixion to Thursday merely in order to account for the expression “three days and three nights.”
15. “Three Days and Three Nights in the Heart of the Earth” Does Not Necessarily Mean “Buried for a Full Three Days and Three Nights”
Matthew 12:40 says:
“So shall the Son of Man be three days and three nights in the heart of the earth.”
The expression is:
“in the heart of the earth”
rather than the ordinary wording for “inside a grave underground.”
When the Lord was arrested in Gethsemane, He said:
“This is your hour, and the power of darkness.”
— Luke 22:53
Therefore, one possible spiritual interpretation is that from the time of His arrest on Thursday night, the Lord had already entered into the period in which He was subjected to the powers of this world and to the “power of darkness.”
Thus:
Thursday night
Friday daytime
Friday night
Saturday daytime
Saturday night
Sunday early morning
may be counted as:
three nights and three daytime periods
while the Lord was still:
crucified on Friday and raised on the third day, Sunday.
This interpretation allows both “three days and three nights” and “raised on the third day” to remain true without changing the Gospel designation of the crucifixion day as the Preparation Day.
16. The Result of Seventy-Two Possible Combinations
If the following variables are arranged in different combinations:
whether a day follows a night–day or day–night sequence;
whether the Lord suffered on the fourth, fifth, or sixth day of the week;
whether He rose during the night of the seventh day, the daytime of the seventh day, the night of the first day, or the daytime of the first day;
and whether the “three days and three nights” are counted from burial, death, or arrest;
then the total number of theoretical combinations is:
2 × 3 × 4 × 3 = 72 possibilities.
These possibilities may then be tested against four scriptural conditions:
the Lord rose on the third day;
He was three days and three nights in the heart of the earth;
the afternoon of the first day was still called the third day;
the evening of the crucifixion day was still called the Preparation Day.
The combination that most fully accommodates all four conditions is:
A day begins with the daytime; the Lord was arrested on Thursday night; He suffered on Friday; He rose early Sunday morning; and the “three days and three nights” are counted from the time He entered the power of darkness on Thursday night.
This result corresponds closely with the conclusions drawn from the preceding passages.
17. Conclusion
When Genesis, the Law of Moses, the historical books, the Gospels, other New Testament narratives, Second Temple literature, and studies of ancient Jewish calendrical reckoning are considered together, a conclusion worthy of serious consideration emerges:
There is no verse in the Bible that explicitly states, “The weekly Sabbath must always be observed from Friday sunset until Saturday sunset.”
On the contrary, numerous passages present patterns in which:
morning carries the significance of the beginning of a new day; daylight is followed by evening and night, and then by the next morning; after the sixth day passes through the night, the following morning is called “today, the Sabbath”; and in certain New Testament narratives, an evening is still associated with the same preceding day.
Leviticus 23’s command to observe the Day of Atonement “from evening to evening” is a special regulation for that particular holy day and should not, without further evidence, automatically be treated as the universal day-boundary formula for every weekly Sabbath.
Therefore, it may reasonably be proposed that:
the seventh-day Sabbath should include the entire seventh day—from the beginning of Saturday’s daytime, through Saturday evening and night, until the daytime of Sunday begins.
In practical observance today, because sunrise times vary according to season and latitude, and because some regions experience periods without normal sunrise or sunset, the use of approximately 6:00–7:00 a.m. local standard time as a practical boundary may provide consistency.
However, the most important matter is not to argue over a few minutes or seconds, but to recognize that:
the Sabbath is the seventh day blessed by God.
Friday is the Preparation Day, when believers prepare themselves physically and spiritually to welcome the Sabbath. From the beginning of the seventh day’s daylight until the beginning of the following day’s daylight, they remember God’s creation and redemption, enjoy the rest He has given under grace, and look forward to the eternal rest to come.
“If you turn away your foot from the Sabbath, from doing your pleasure on My holy day, and call the Sabbath a delight, the holy day of God honorable, and shall honor Him, not doing your own ways, nor finding your own pleasure, nor speaking your own words; then you shall delight yourself in God; and He will cause you to ride upon the high places of the earth, and feed you with the heritage of Jacob your father: for the mouth of God has spoken it.”
— Isaiah 58:13–14
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