[lisper]

Palmyra Atoll was also the scene of a rather horrific murder documented in a book by Vincent Bugliosi, the same person who prosecuted Charles Manson:

https://en.wikipedia.org/wiki/And_the_Sea_Will_Tell

It makes an interesting read.

Also, the Diomede islands are not the only ones in close proximity but on opposite sides of the International Date Line. Samoa (UTC+13) and American Samoa (UTC-11) are even more extreme, being 24 hours apart, i.e. in the "same" time zone but on different days.