Conversation so far:
when does day light savings start in victoria
The practice of Daylight Saving Time begins the First Sunday in October for Victoria, Australia.
what is the purpose of the practice DST
Daylight saving time is the practice of advancing clocks during warmer months so that darkness falls later each day according to the clock.
how is the DST practice done
A common implementation of DST is to set clocks forward by one hour in the spring and set clocks back by one hour in autumn to return to standard time.

Question: what does the practice accomplish
Self-contained rewrite: what does the DST practice accomplish