The phrase "changes between" is grammatically correct and can be used in written English.
Example: "There have been significant changes in the weather patterns between the summer and fall seasons."
If it changes between now and then, so be it".
But we expect changes between now and Election Day.
Changes between the 1980s and 1990s occurred primarily in the Southern Hemisphere, whereas changes between the 1990s and 2000s involved many regions of the ocean.
"Good journalism practice sometimes involves changes between editions.
If you share files, SugarSync saves changes between each user.
So there have been a lot of changes between our time and their time".
The scream of a shrill bell marks the changes between scenes.
It is forcefully packed, tight as drum skin, and it never changes between visits.
"I have never seen so many changes between rain and dry weather in one race.
Shucking a scallop can be jarring aesthetically, since there are abrupt changes between beautiful and ugly.
I keep making all these changes between scale and subjects and materials.
