To find the time at the beginning of the movie, you would need to subtract the duration of the movie (51 minutes and 25 seconds) from the time you noted (10:56 PM).
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Start with the minutes:
- 56 minutes - 51 minutes = 5 minutes
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Next, subtract the seconds:
- 60 seconds - 25 seconds = 35 seconds
- Since we're subtracting seconds, we don’t need to adjust the minutes, as we didn't reach zero.
After subtracting, the time at the beginning of the movie would be 10:04:35 PM.
So, the movie started at around 10:04 PM and 35 seconds.