Take a good long look at the table on this web page:
http://mywebsite.us/BibleStudy/Order_Of_Events.html
Pay particular attention to the details in/of the verses in the 'Trumpet' columns until you can see the answers to these questions:
Q: Who kills the Two Witnesses?
A: The beast that ascendeth out of the bottomless pit.
Q: During what span of time MUST the beast come up out of the bottomless pit?
A:
After the bottomless pit is opened but
before the Two Witnesses are killed.
Q: When is the bottomless pit opened?
A: During the events of Trumpet 5
Q: What does all of this tell you about the timing of the Two Witnesses relative to the Trumpet Events?
A: They coincide/overlap. And - I suggest - the Two Witnesses actually cause the Trumpet Events to come about by their prophecy.
Look at the details in all of the verses regarding the sun, moon, and stars.
After the tribulation.
Before the Second Coming of Christ.
A 3.5-year period of time we call the Two Witnesses.
Some of this time is
before Trumpet 5; some is
after [the beginning of the Trumpet 5 events].
Jesus appears after the Two Witnesses are raised up.
Then, after Jesus raptures the saints, God commands the angels to "pour out" the Vials ('Wrath of God').
Armageddon is toward the end of the Vials ('Wrath of God').
The tribulation is over before the Trumpet Events and the Vials occur.
Therefore, the Trumpet Events and the Vials ('Wrath of God') are
both post-tribulation.
By definition - by virtue of the sequence/timing given to us in scripture - they cannot be part of the tribulation.
The sequence/timing is given in this phrase:
Immediately after the tribulation of those days...
Everything mentioned after those words is post-tribulation.
The description concerning the sun, moon, and stars -
is in reality a 3.5-year period of time - that we call the Two Witnesses -
after which occurs the Second Coming of Christ.
All of it is post-tribulation.
The tribulation
ends at the
start of the time of the Two Witnesses - the Second Coming occurs [at least] 3.5 years later...
Study it carefully.