It is not recommended to visit Rainbow Mountain from Aguas Calientes in a full-day trip as it involves a lot of travel time. However, if you still want to do it, here is a sample itinerary:

4:30 am:

6:30 am:

10:30 am:

1:30 pm:

2:30 pm:

5:30 pm:

8:30 pm:

This itinerary involves a lot of travel time, which means you will be spending most of the day on the road. It is advisable to plan for at least 2-3 days in the region and visit Rainbow Mountain as part of a multi-day tour. Also, make sure you are physically fit and well-prepared for the hike, as it is quite strenuous.