DST will end at 02:00:00 AM, Sunday, Oct 27, 1918. When local clocks are to be set backward by 1 hour.

Etc/GMT is a UTC +00:00 timezone offset where as Philippines Time (PHT) is a UTC +8:0 timezone offset. Time difference between Etc/GMT and Philippines Time (PHT) is 8:0 hours ie., Philippines Time ...