(i) Standard Time is the official time and is commonly accepted all over the country or region.
(ii) The importance of Standard Time is the most, if the country has a vast longitudinal extent, since there will be a great difference between the time of its places located in the eastern and the western parts.
(iii) It helps in making proper schedules of travel, business meeting, co-ordinating the functioning of various organisations, etc.
(iv) Thus Standard Time helps in avoiding confusion regarding day, date and time.