Dan 8:10 And it waxed great,H1431 even toH5704 the hostH6635 of heaven;H8064 and it cast downH5307 some ofH4480 the hostH6635 (cast the moon down) and ofH4480 the starsH3556 to the ground,H776 and stamped uponH7429 them.
Dan 8:11 Yea, he magnifiedH1431 himself even toH5704 the princeH8269 of the host,H6635 and byH4480 him(the sun is the prince in our visible sky, representing the solar calendar cast out the lunar calendar) the dailyH8548 (perpetual, the moon calendar, with her weeks) was taken away,H7311 and the placeH4349(fixture-the moon appointing when to come and worship-from root 3559-erect perpendicular - possibly the plummet determining conjunction New Moon Day declaration - as a fixture in His sanctuary hung from a great height) of his sanctuaryH4720 was cast down.H7993
Dan 8:12 And an hostH6635-(figuratively worship appointed times of the planetary week) was givenH5414 him againstH5921 the dailyH8548-(lunar weeks, moon as the appointer of days was cast down by the planetary week) by reason of transgression,H6588(translate corruption-lies into Scriptures, reason of transgression means Deut. 4 & 12 "Ye shall not add to My Words, neither shalt thou diminish aught of My Words") and it cast downH7993 the truthH571(truth of the 4th command beginning with (Remember the New Moon Day to keep it Holy) to the ground;H776(removed the New Moon calendar weeks and calendar commands) and it practised,H6213 and prospered.H6743
Dan 8:13 Then I heardH8085 oneH259 saintH6918 speaking,H1696 and anotherH259 saintH6918 saidH559 unto that certainH6422 saint which spake,H1696 How longH5704 H4970 shall be the visionH2377 concerning the dailyH8548 (moon), and the transgressionH6588 of desolation,H8074(the transgression of desolation was changing New Moon to Sabbath in Exodus 20:8, Deut. 5:12-first line of the 4th command and removed from Leviticus 23:3-Remember the New Moon Day to keep it Holy) to giveH5414 both the Holy Day H6944-(kodesh-Holy Day) and the host H6635(appointed time) to be trodden under foot?H4823
Dan 8:14 And he saidH559 untoH413 me, UntoH5704 two thousandH505 and threeH7969 hundredH3967 days;H6153 H1242 then shall the Holy Days H6944-(kodesh-Holy Day) be cleansed(be made right)-cleansed from the planetary week.H6663(times to come and worship be made right)
"The Daily" or "weekdays" corrected

The 2300 day prophecy ends when the four holy angels bring forth the tablets of stone, with the true 4th commandment beginning with "Remember the new moon day to keep it holy" which follow Genesis 1:14-16 and Revelation's Three Angels Message, (Worship Him as Creator, He appointed the moon for seasons, Psalms 104:19) so in a sense those four holy angels guarding the ark of the covenant and the tablets of stone are "That other angel" or fourth angel joining the three, empowering the last message into the loud cry, as the angel told Ron Wyatt that these tables of stone will be brought forth when the sunday law is enforced.

This Divine Revelation restores the Holy New Moon Day, with her four lunar weeks, thus restoring "The Daily" of the book of Daniel, ending the 2300 day prophecy, beginning the "time of the end", the 1290 and 1335 days of Daniel chapter 12, that Charles Wheeling brought out.

The 2300 day prophecy began with the "transgression of desolation", that is removing the Holy New Moon day largely from scripture, and changing "New Moon" to "Sabbath" in the ten commandments in our Bibles, and deleting that first line from Leviticus 23:3.
Pattern of the 4th command-
1. Keep New Moon day Holy
2. Work six days
3. 7th day is a shabat

(last march around Jericho was on the 6th day of the week, which was the 7th day of the New Moon-clearly demonstrating that the weekly cycle is not an unbreakable cycle of 7's, showing the New Moon days stand outside of the Biblical weekly cycles)
Leviticus 23 enumerating the feasts, they rooted out "Remember the New Moon day to keep it Holy", and started the 4th command with "six days shalt thou labor.

"Work on the Septuagint version began in Alexandria around 285 B.C."

285 b.c.e. + 2015, this year =2300 years approx.  Oops add one year as there is no zero year between A.D. 1, and B.C. 1 so the year should be 2016, 2300 years from 285 b.c.e.
2300-2015 =285 b.c. approx. year - the
Dionysian calendar began on the summer solstice, June 26, 285 b.c.e.
2016 would be approx. the year the tables of stone restore the daily -"Remember the New Moon Day to keep it Holy" Ex. 20:8, when the sunday law is enforced.
So maybe 2016 could be the end of the 2300 day prophecy. The angel told Daniel that none of the wicked would understand, but the wise would understand, "The fear of YHVH is the beginning of wisdom, and to depart from evil is understanding".

The Sanctuary times of worship, are cleansed from the pagan planetary week.

The transgression of desolation is Deut. 4 and 12 the command to not add or detract from His Words which are commandments. Thus by transgressing this Command, they removed the New Moon Commands thus desolating His Calendar weeks and days.

It is obvious that the transgression of desolation, adding to His Words, and taking away from His Words, the specific commands for keeping the New Moon Day, was the agenda of the translations of Scripture to validate the Roman calendar.

We are living in the time of the end when the Sabbaths are being restored, at the end of the 2300 day prophecy, when the bridal procession party declares, "behold, the Bridegroom cometh, go ye forth to meet Him" and
Isa 61:2 To proclaimH7121 the acceptableH7522 yearH8141 of YHVH,H3068 and the dayH3117 of vengeanceH5359 of our Elohim;H430 to comfortH5162 allH3605 that mourn;H57
Isa 61:3 To appointH7760 unto them that mournH57 in Zion,H6726 to giveH5414 unto them beautyH6287 forH8478 ashes,H665 the oilH8081 of joyH8342 forH8478 mourning,H60 the garmentH4594 of praiseH8416 forH8478 the spiritH7307 of heaviness;H3544 that they might be calledH7121 treesH352 of righteousness,H6664 the plantingH4302 of YHVH,H3068 that He might be glorified.H6286
Isa 61:4 And they shall buildH1129 the oldH5769 wastes,H2723 they shall raise upH6965 the formerH7223 desolations,H8074 and they shall repairH2318 the wasteH2721 cities,H5892 the desolationsH8074 of many revolutions of time(daily).H1755 H1755

 The time of trouble begins, when a law is passed, forbidding the keeping of the lunar weekly cycles, as "it is disruptive to the order of society" enforcing the "sunday law" which automatically enforces the "planetary week".
"And all the world wondered after the beast-Rev. 13:3," keeping her planetary week and calendar, forsaking the daily lunar calendar.

From Wikiipedia:
Year 285 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Canina and Lepidus (or, less frequently, year 469 Ab urbe condita). The denomination 285 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
From Wikipedia:
The Roman calendar changed its form several times between the founding of Rome and the fall of the Roman Empire. This article generally discusses the early Roman or pre-Julian calendars. . . .
The original Roman calendar is believed to have been a lunar calendar, which may have been based on one of the Greek lunar calendars.[1] As the time between new moons averages 29.5 days, its months were constructed to be either hollow (29 days) or full (30 days).