Not at all ... go read some scholarship and find any dispensational premillennialist who teaches date setting.
I can suggest pre-trib.org for a large array of papers/authors of the above persuasion covering a huge array of topics ... including the failings of the "it all happened in 70 AD" view.
At least understand what we believe for your own edification.
The book of the Apocalypse, along with Matthew 24 references this Great Tribulation with the destruction of the 2nd Temple ending sacrifices, ending the 2nd temple Jewish world