Pandas between_time boolean

You could do something like the following:

df.index.isin(df.between_time('9:00', '17:00', include_start=True, include_end=True).index)

Because the between method returns a dataframe, rather than a boolean array we can call .index on it as we could with any dataframe, this will return a series of times. We can then check wether or not our original time indices are in our time indices resulting from the between method.

This will give you a boolean array of values that are within your time frame. I can't think of another way to do this, but that doesn't mean there isn't one