List of times for meeting agenda?

I'm building a meeting agenda in a sheet, and I wanted to have a start time as the time portion of a date field, and then add durations for each section. Something like:

Section Duration Time

Intro 5m 9:00

First Item 10m 9:05

Second Item 1h30m 10:35

I formatted the "Duration" column as the duration field type. I wanted the Time column to do the math automatically for me. Is there a reasonable way to do this?


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