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BTW, the Jubilee cycle is definitely 50 years, just as the word says. This has been proven out through actual land returning events that have happened on the 50 year jubilees (1917, 1967) We can expect another big one next year.
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The cycle is 49 years, it's the year following, its observation, and when the count resumes is what's confusing to many, IMO. Even so, from the time it was commenced, and subtracting those years when the Hebrews were driven from from the land, so that the land allowed to rest (70 years), it all comes pretty close to being exactly on the money to this day - something that may actually be Divine in itself.
Also, your timeline only differs from hers by about three digits to the right of the decimal, as pertains to the Hebrew dating system you've used.
Certainly there are errors in her treatise/essay. Nonetheless there is one major nugget, and that is the concept of the period of seven (sevens), as related to the Jubilee cycle.
You mentioned 1967 being a Jubilee year. That's also when Jerusalem was recaptured. When the temple could have been rebuilt or the "daily sacrifice" reestablished.
As we all know, none of this was allowed to take place. In fact, Muslims (and Christians) were allowed to resume worshiping at their respective holy sites, something that had not happened since 1947-48.
Can the Jubilee cycle be tied to Daniel 9:27?
"Then he shall confirm a covenant with many for one week"
Could the establishment of Israel as a nation in '47-'48, represent the confirmation of the Almighty's covenant with the nation of Israel; Isiah foretold the re-birth of Israel, which he said would happened "in one day".
But in the middle of the week [could a week in this case represent a Jubilee cycle?] He shall bring an end to sacrifice and offering.
If so, in the middle of the week (middle of the Jubilee cycle) more or less, counting from 1947 until when the Temple Mount was retaken in '67, and after having been trodden down of the Gentiles - "until the times of the Gentiles be fulfilled" - for almost 2,000 years, the Israelis could have rebuilt the Temple, and reestablished the daily sacrifice. They chose not to, in essence, "bringing an end to sacrifice and offering".
Other tie-ins to the Jubilee cycle:
Daniel 12:11 “And from the time that the daily sacrifice is taken away [see above], and the abomination of desolation is set up [Oslo accords maybe?], there shall be one thousand two hundred and ninety days. 12 Blessed is he who waits, and comes to the one thousand three hundred and thirty-five days."
If a "day", in the prophecy above, represents a biblical week, and we divide by a 360 biblical day year, from 1967, when Israel captured the temple grounds until the first Oslo accords in August of 1993, when "the abomination of desolation is set up", there are 25.08 years, or half a Jubilee cycle.
The Accord provided for the creation of a Palestinian interim self-government, the Palestinian National Authority (PNA). The Palestinian Authority would have responsibility for the administration of the territory under its control.
The Accords also called for the withdrawal of the Israel Defense Forces (IDF) from parts of the Gaza Strip and West Bank.
In essence, the accords called for the withdrawal of Israeli forces from parts of the Gaza Strip and West Bank, and affirmed a Palestinian right of self-government within those areas through the creation of a Palestinian Interim Self-Government Authority. Palestinian rule was to last for a five-year interim period during which "permanent status negotiations" would commence in order to reach a final agreement. - Wikipedia
Daniel 9:27 continued:
...And on the wing of abominations shall be one who makes desolate, Even until the consummation, which is determined, Is poured out on the desolate.”
As you mentioned, 2017 will be another Jubilee year, and it ends the Jubilee cycle in the middle of which the Oslo accords were signed.
A final tie-in is the generation thing (70 years) ending in 2017-18 since the establishment of Israel as a nation in '47-'48 .
While we may all have our ideas as to a particular time we expect to see signs that remove all doubt, my idea being sooner rather than later, I think we all agree the odds overwhelmingly support this period in history being the season much of scripture warned us about.