13 Hours Ago from 9am
If we are given a time 9am and asked to find the time 13 hours ago, we need to subtract 13 hours from 9am. Here's how to do it:
Step 1: Convert 9am to 24-hour format
First, let's convert 9am to 24-hour format, which is 09:00.
Step 2: Subtract 13 hours
Now, subtract 13 hours from 09:00.
09:00 - 13 hours = 20:00 (previous day)
This means that 13 hours ago from 9am is equivalent to 8pm the previous day.
Conclusion
So, 13 hours ago from 9am is 20:00 (previous day) or 8pm the previous day.