I would rather you not change the workout schedule around. That’s one reason I recommend morning workouts – nothing can stop you from working out if you get up earlier than normal.
Sometimes, emergencies do come up, though… even that early in the morning.
There are always 3 weight lifting workouts each week. If needed, you can switch the days of the workouts around. Just follow the same meal plan and schedule for that day if you need to switch days around.
For example, you might need to use this schedule one week:
Day 1 = Rest Day
Day 2 = Workout A
Day 3 = Rest Day
Day 4 = Workout B
Day 5 = Rest Day
Day 6 = Workout A
Day 7 = Rest Day
Compare the above to the normal schedule shown below:
Day 1 = Workout A
Day 2 = Rest Day
Day 3 = Workout B
Day 4 = Rest Day
Day 5 = Workout A
Day 6 = Rest Day
Day 7 = Rest Day
The changes are perfectly fine to make if needed. As long as you follow the schedule and swap days, you’ll do just fine. It’s much easier to follow the schedule exactly so only make changes if absolutely necessary.
It’s much easier to follow this workout schedule if you exercise in the morning as recommended. This prevents normal life from getting in the way.