Howland Island, in the International Date Line West (IDLW) time zone, lies in the time zone just East of the International Date Line. Therefore, the day ends AOE when it ends on Howland Island. You can check the time on Howland Island (and Baker Island, in the same time zone) using this AOE Time Reference.
You can also use a link to find your local time at day's end AOE. This may vary, depending on your local use of Summer Time (Daylight Savings Time). Sample charts are provided here for each: