Add Manta (Ecuador) to your list and use my-locations table to visually convert it's time to another timezone or city time.
Mouse over the colored hour-tiles and glance at the hours selected by the column.

Current time zone for Manta (Ecuador) is America/Guayaquil, whose offset is GMT-5 from Greenwich Mean Time (GMT).

The IANA timezone identifier for Manta, Ecuador is "America/Guayaquil"

It currently does not observe Daylight Savings Time.