Since the local time depends on longitude, one solution in timekeeping that simplified long-distance communication and business was the creation of

time zones

Explanation:

From the question, we are told that Since the local time depends on longitude, then one solution in timekeeping that simplified long-distance communication and business was the creation of time zones.Time zones can explained as geographical area or region that have the same standard time. There are different time zones that exist in the earth, all these timezones have differences of hours between them, some are just one hour apart. By convection local time across the globe can be computed using

UTC or GMT offset. GMT(Greenwich Mean Time) can be used to know the time in another country, while UTC is there for standard time keeping system .