What does יוֹם (yôm) mean in the Bible?
יוֹם is the common Hebrew noun for day. Depending on context it can denote daylight as opposed to night, a calendar day, a particular occasion, an appointed time, or a less precisely bounded period.
A day (as the warm hours), whether literal (from sunrise to sunset, or from one sunset to the next), or figurative (a space of time defined by an associated term), (often used adverb)
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יוֹם is the common Hebrew noun for day. Depending on context it can denote daylight as opposed to night, a calendar day, a particular occasion, an appointed time, or a less precisely bounded period.
Reader summary
Full entry for יוֹם (H3117) · Open the biblical lexicon
יוֹם is the common Hebrew noun for day. Depending on context it can denote daylight as opposed to night, a calendar day, a particular occasion, an appointed time, or a less precisely bounded period.
The BSB source-word alignment has 2,303 aligned rows for this entry. Common renderings include day (584), days (260), . . . (249), today (128), the day (83).
The source-word alignment first shows this entry at Genesis 1:5. Its strongest book concentrations include Deuteronomy (167), Genesis (152), 1 Samuel (150), Jeremiah (137).
יוֹם is the common Hebrew noun for day. Depending on context it can denote daylight as opposed to night, a calendar day, a particular occasion, an appointed time, or a less precisely bounded period. The local Old Testament index currently counts about 2,304 occurrences, so most uses are ordinary chronological or narrative language rather than technical theology.
The plural “days” can describe a span of life or a historical period, and prophetic formulas such as “days are coming” introduce future events. These idioms show the flexibility of ordinary time language; they do not establish that ancient Hebrews viewed every day as a theological “container of divine action.” The event and literary setting supply the significance.
“The Day of the Lord” is an important prophetic expression for occasions when the Lord intervenes in judgment, deliverance, or the public vindication of his rule. Amos 5:18-20 warns Israel that the anticipated day will be darkness rather than light because of covenant unfaithfulness. Other prophetic day texts may concern nearer historical judgments, climactic future judgment, restoration, or overlapping horizons. They should not all be flattened into one timetable.
Genesis 1 uses יוֹם within the creation sequence. The noun itself can have several temporal senses elsewhere, so lexical range alone does not resolve debates about the literary form or duration of the creation days. Interpretation must consider the syntax, numbered sequence, evening-and-morning refrain, and the chapter’s place in Genesis.
For teaching, יוֹם helps readers attend both to ordinary days and to divinely appointed moments of accountability and hope. New Testament day-of-the-Lord language develops the prophetic tradition around Christ’s return and final judgment. The crucifixion is central to salvation and includes darkness, but the Gospels do not explicitly call the cross “the Day of the Lord in compressed form.”
יוֹם occurs about 2,304 times in the local OT index, making it one of the most common nouns. Key theological concentrations include the creation days, the day of divine appointment and encounter, the yôm YHWH (Day of the Lord) theology across the prophets, the narrative significance of specific days (the day of the Lord's act, the day of battle, the day of distress), and the wisdom literature's meditation on the brevity of human days.
Woe to you who long for the Day of the Lord! What will the Day of the Lord be for you? It will be darkness and not light.
The prophetic reversal of the yôm YHWH expectation: Israel desired the Day as a day of national vindication against enemies, but Amos declares it will be darkness not light for a sinful Israel. This is one of the earliest and most definitive yôm YHWH texts, and its structure is critical: the Day is still the Day of YHWH's definitive action, but what that action will accomplish depends on the covenant faithfulness of those expecting it.
The Day is not automatically favorable to those who call themselves God's people.
Blow the ram’s horn in Zion; sound the alarm on My holy mountain! Let all who dwell in the land tremble, for the Day of the Lord is coming; indeed, it is near—
Joel's classic yôm YHWH alarm: the Day is near, and its approach is terrifying. Joel describes it as a day of darkness, clouds, thick darkness, and an overwhelming army (vv.2-11). The trumpet alarm (šôpār) is the ancient battle signal and covenant-assembly call — its sounding announces that the normal order is about to be disrupted by divine action. Joel's yôm YHWH becomes one of the most complex in the prophetic tradition: it is simultaneously past (the locust plague as yôm YHWH already experienced) and future (the great cosmic Day that will follow repentance).
For the Day of the Lord of Hosts will come against all the proud and lofty, against all that is exalted—it will be humbled—
Isaiah's yôm YHWH as the day of the leveling of all human pride: every high thing — mountains, cedars, ships, towers — will be brought low. The Day is the great rûm-reversal (cf. H7311 rûm companion) applied at cosmic scale: on that day, only YHWH will be exalted (v.17: 'the Lord alone will be exalted in that day'). This gives the yôm YHWH a specific theological content: the Day is when the divine glory — the exclusive exaltation of the one true God — is universally recognized.
The great Day of the Lord is near—near and coming quickly. Listen, the Day of the Lord! Then the cry of the mighty will be bitter.
Zephaniah's yôm YHWH passage, which became the source of the medieval hymn Dies Irae (Day of Wrath). The Day is described as a day of wrath, distress, anguish, devastation, desolation, darkness, gloominess, clouds, thick darkness, trumpet blast, and battle cry (vv.15-16). Zephaniah gives the most complete negative catalog of the Day in the entire OT — a picture of total covenantal reckoning that the NT applies to the final judgment.
Behold, I will send you Elijah the prophet before the coming of the great and awesome Day of the Lord.
The final OT occurrence of yôm YHWH: Malachi promises that Elijah will come before the great and dreadful Day. This verse ends the Hebrew canon of the prophets and creates the expectation that the forerunner who announces the Day is yet to come. Jesus identifies John the Baptist as the Elijah figure (Matt 11:14; 17:12-13), locating the Day in the ministry of Jesus — the kingdom's arrival is the yôm YHWH both arriving and continuing to arrive.
Is this nothing to you, all you who pass by? Look around and see! Is there any sorrow like mine, which was inflicted on me, which the Lord made me suffer on the day of His fierce anger?
The Day of the Lord experienced in the fall of Jerusalem: the destruction of the city and temple is described as yôm YHWH having arrived. Lamentations frames the exile not as a political defeat but as a covenantal encounter with the divine anger — the Day came for Jerusalem. This is the OT's most concrete instance of the yôm YHWH pattern: YHWH's definitive action against covenant-breaking, experienced in historical catastrophe, but pointing toward the eschatological Day that will ultimately judge all evil and vindicate all who trust.
BSB source-word alignment connects this entry to exact verse rows, English rendering, source form, transliteration, and parsing.
How English Renders ItA compact distribution from source-word alignment before the full evidence tables.
Hebrew word. Fundamental unit of time marked by daylight, extending metaphorically to ages, epochs, and eschatological periods.
How this word appears across different grammatical cases and numbers.
Selected passage-level study witnesses for this word. This section is not the full occurrence list.
Showing 3 selected witnesses from 2,304 lexical occurrence verses.
The Day of the Lord frames judgment as a specific, sovereignly appointed event. Hosea 3:1-5
The term anchors the prophecy in a coming decisive act of God that will expose pride and establish his supremacy. Isaiah 13:1-8
Indicates extended period of deprivation. Isaiah 2:10-22
Compound and idiomatic phrases that include this word. Follow a link to study the phrase and how its parts work together.
The prophetic Day of the Lord warns that God’s intervention cannot be domesticated into automatic national or religious advantage. Amos confronts Israelites who desired the day by declaring it darkness for the unfaithful. Other prophets apply day language to historical judgments and future hope. Teachers should begin with each oracle’s audience and horizon before synthesizing a final eschatological doctrine.
The New Testament speaks of the day of the Lord, the day of Christ, and the coming of the Son of Man in relation to accountability, salvation, and judgment. These passages focus the church’s hope on Christ’s return and call for present faithfulness. They do not require the claim that the cross itself was the prophetic Day in concentrated form or that the resurrection was its dawn.
The darkness during Jesus’ crucifixion may evoke several Old Testament judgment and lament texts, including prophetic darkness imagery. Any proposed echo of Amos 8:9 must be argued from literary evidence and should not be stated as an explicit Gospel identification. The certain gospel claim is that Christ bore sins and reconciles believers to God, established by the New Testament’s direct atonement texts.
Amos.5.18
יוֹם can denote daylight, a calendar day, an occasion, or a broader period depending on construction and context. Counts of the exact phrase “Day of the Lord” vary with spelling, phrase boundaries, and whether related expressions such as “that day” are included. “That day” should not automatically be classified as the same technical concept; its referent must be established in each oracle. Creation-day debates likewise cannot be settled from dictionary range alone.
The New Testament uses “day of the Lord,” “day of our Lord Jesus Christ,” and “day of the Son of Man” language for future coming, judgment, salvation, and accountability. First Corinthians 1:8 directs the community toward the day of Jesus Christ, and 2 Peter 3:10-12 draws on prophetic judgment imagery for the day of the Lord. Revelation 6:17 speaks of the great day of wrath within its vision.
These passages develop the prophetic tradition around Christ. Luke 23:44 reports darkness at the crucifixion, but it does not cite Amos 8:9 or call the crucifixion the Day of the Lord; that proposed typological connection must remain qualified.
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