Beginning and ending dates are roughly the reverse in the southern hemisphere. For example, mainland Chile observed DST from the second <answer>Saturday</answer> in October to the second <answer>Saturday</answer> in March, with transitions at 24:00 local time. The time difference between the United Kingdom and mainland Chile could therefore be five hours during the Northern summer, three hours during the Southern summer and four hours a few weeks per year because of mismatch of changing dates.
What day of the week does DST begin and end in Chile?
Saturday