I believe it's absurd to think that the trumpets and vials do not run in parallel because Jesus will return at the seventh, last trumpet (1 Cor 15:51-54). If the trumpets and vials are not parallel then you would need all 7 vial events to somehow occur after Jesus returns at which point the dead in Christ will be resurrected and caught up to Him with those who are alive and remain. Is that what you think will happen? If so, that would require all 7 vials to relate directly to the timing of what is described in Revelation 19:11-21. Is that what you believe?
Let's test your theory then.
I don't know how you go about determining things, but I tend to let the texts involved determine when something is meaning. It doesn't matter if none of it is meaning in a literal sense. It still has to precede, parallel, or follow something.
Read what the text actually says, the details are important.
Revelation 13:11 And I beheld another beast coming up out of the earth; and he had two horns like a lamb, and he spake as a dragon.
12 And he exerciseth all the power of the first beast before him, and causeth the earth and them which dwell therein to worship the first beast, whose deadly wound was healed.
13 And he doeth great wonders, so that he maketh fire come down from heaven on the earth in the sight of men,
14 And deceiveth them that dwell on the earth by the means of those miracles which he had power to do in the sight of the beast; saying to them that dwell on the earth, that they should make an image to the beast, which had the wound by a sword, and did live.
15 And he had power to give life unto the image of the beast, that the image of the beast should both speak, and cause that as many as would not worship the image of the beast should be killed.
16 And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads:
17 And that no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name.
18 Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.
Details we can't ignore.
1) there can't be a 2nd beast coming out of the earth and doing the things it does until a first beast ascends out of the sea(pit) first.
2) the first beast which ascends out of the sea must match this---which had the wound by a sword, and did live. In regard to that, it makes zero sense that this is the status of the beast while it's in the pit and/or before it's in the pit. That is incorrect if anyone concludes that. Therefore, this is the status of it once it ascends out of the pit it's been bound in. The question then is, does it ascend out of the pit before the time of the first trumpet or post the time of the first trumpet? That little detail clearly matters if one is going to insist trumpet 1 and vial 1 run in parallel.
3) Only after a first beast rises out of the sea(pit) first, and a second one out of the earth, can any of the following per 4) happen.
4) saying to them that dwell on the earth, that they should make an image to the beast, which had the wound by a sword, and did live. And he had power to give life unto the image of the beast, that the image of the beast should both speak, and cause that as many as would not worship the image of the beast should be killed. And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads:
5) And the first went, and poured out his vial upon the earth; and there fell a noisome and grievous sore upon the men which had the mark of the beast, and upon them which worshipped his image. Obviously, the first vial can't precede anything in 1)-4) above. And that this image and mark is connected with--one of his heads as it were wounded to death; and his deadly wound was healed: and all the world wondered after the beast. IOW, it is is not involving an era of time when the beast is in the pit or before it's in the pit. Since it is absurd that---one of his heads as it were wounded to death; and his deadly wound was healed--is applicable to it when it's in the pit, or before it's in the pit, rather than once it ascends from the pit. 3 options but only one correct answer.
If you still insist vial 1 is poured out during trumpet 1, you need to provide the Scriptures that prove this, that the beast ascends out of the pit before the time of the first trumpet, and that it's 42 month reign precedes the time of the first trumpet. After all, it is absurd that the first vial can get poured out before everything pertaining to Revelation 13 is fulfilled first. I shouldn't have to tell you that. You should be able to figure it out on your own. But you appear to maybe let doctrinal bias guide you, in this case, rather than the texts involved guiding you, in the event you still insist the trumpets and vials run in parallel.
According to your timeline, if I recall correctly, the beast does not ascend from the pit until trumpet 5. That means the people who worship the beast after his ascension in trumpet 5 completely miss vials 1, 2, 3, and 4, because those vials were already poured out back during trumpets 1-4.
How can the first four vials be targeted at the beast’s global kingdom if those vials are completely finished before the beast even comes out of the pit? You have God punishing people for the mark of the beast before the beast arrives, and letting the actual followers of the ascended beast off scot-free from the first four plagues. The text of Revelation 16 says the vials are poured out on those who worship his image---your timeline immunizes the very people the text says are being targeted.