Daniel : Life & Context – 70 Weeks Prophecy

605 BC — Taken Captive: Daniel, a young man of noble Judean lineage, was taken to Babylon when Nebuchadnezzar first besieged Jerusalem — the same year Jeremiah delivered his 70-year prophecy (see below).
Training: Selected for his intelligence and appearance, he entered a three-year training program for the king’s court with Hananiah, Mishael, and Azariah (later Shadrach, Meshach, Abednego). He refused to defile himself with the king’s food and wine, requesting vegetables and water instead — and outperformed his peers (Daniel 1).
Interpreter of Dreams: Daniel interpreted Nebuchadnezzar’s dream of a great statue (Daniel 2), rising to high authority in Babylon.
The Fiery Furnace: His three friends survived being thrown into a furnace for refusing to worship a golden image (Daniel 3).
A Second Dream: Daniel interpreted a dream warning Nebuchadnezzar of coming madness as judgment for pride — fulfilled soon after (Daniel 4).
539 BC — Fall of Babylon: Under King Belshazzar, Daniel interpreted the handwriting on the wall foretelling Babylon’s fall — which happened that same night (Daniel 5).
The Lion’s Den: Under the new Medo-Persian ruler Darius, jealous officials tricked the king into banning prayer to anyone but him. Daniel kept praying anyway, was thrown to the lions, and survived (Daniel 6).

When Jeremiah Prophesied: Jeremiah delivered the 70-year prophecy around 605 BC (Jeremiah 25:11-12; Jer 29:10-14) — the same year Nebuchadnezzar first invaded Judah and took Daniel captive. He reaffirmed it in a letter to the exiles around 597 BC (Jeremiah 29:10).
The Prophecy: Judah would serve Babylon for 70 years, after which God would judge Babylon and restore His people. This was tied to Judah’s idolatry and neglect of the Sabbatical years — 2 Chronicles 36:21 says the exile let the land “enjoy its Sabbaths” for the years it had been denied rest.

Jeremiah connects to Daniel at one specific moment, decades after the prophecy was first given:
605 BC: Jeremiah prophesies 70 years of exile; Daniel is taken captive the same year.
539/538 BC — “The first year of Darius” (Daniel 9:1): Now an old man living under the new Medo-Persian regime, Daniel reads Jeremiah’s scroll and realizes the 70-year countdown is nearly complete — roughly 66-67 years had already passed.
That realization is the trigger: it moves Daniel to pray, confessing Israel’s sins and pleading for Jerusalem’s restoration (Daniel 9:1-19).
Gabriel interrupts that prayer to deliver an entirely new, much larger prophecy — the 70 weeks (490 years).
In short: Jeremiah’s 70-year prophecy (605 BC) → nearly fulfilled by Daniel’s old age (539 BC) → Daniel reads it and prays → Gabriel answers with the 70 weeks prophecy (Daniel 9)
Jeremiah’s prophecy is the spark, not a shared timeline — the two timelines (70 years vs. 490 years) are separate and don’t overlap in their counting. 

Gabriel’s Answer: “Seventy sevens” (490 years) decreed for Jerusalem and the Jewish people to deal with sin and bring in righteousness, divided into three parts: 49 years, 434 years, and a final 7 years.
Six Purposed Outcomes:
1. Finish transgression
2. Make an end of sins
3. Make reconciliation for iniquity
4. Bring in everlasting righteousness
5. Seal up vision and prophecy
6. Anoint the Most Holy

Daniel’s Prophecy: The primary source is the “Prophecy of the Seventy Weeks” found in Daniel 9:24-27.
The concept of 1 week equaling 7 years comes from biblical prophecy and is known as the “Year-Day Principle
The Terminology: The original Hebrew word used is shabuwa, which literally means a “heptad” or a “unit of seven.” – Ezekiel 4:6; Numbers 14:34         
Calculations use a 360-day “prophetic year,” derived from Genesis/Revelation references where 42 months = 1,260 days.
Start: March 14, 445 BC — Artaxerxes’ decree to rebuild Jerusalem’s walls (Nehemiah 2:1-8).
First 69 Weeks (483 years = 173,880 days): Counted forward, this lands on April 6, 32 AD — the Triumphal Entry of Jesus into Jerusalem.
The Gap: Per Daniel 9:26, after the 69th week the Messiah is “cut off” (crucifixion) and Jerusalem is later destroyed (70 AD) — but the 70th week doesn’t begin. The entire Church Age in this unaccounted gap.
The Future 70th Week (7 years, unfulfilled):
1. A future ruler (the Antichrist) signs a 7-year peace covenant with Israel.
2. At the 3.5-year midpoint (1,260 days), he breaks the covenant and desecrates the rebuilt temple (the Abomination of Desolation), triggering the Great Tribulation.
3. The prophecy concludes with the Second Coming of Christ, defeat of evil, and the establishment of His millennial kingdom.