"Did they go to bed early or late?" ... they went to bed x hours ago. If anything, the math is easier when your 3am is also their 3am(although am/pm would also have to go out the window). Time-zones or no doesn't tell you when they got up or started working without you asking either.
What if the story is from a week ago? Yes, your 3am happens at the same time as their 3am, but your 'night' is still their 'day'.
You'd have to intuitively know every time zone and their offset in order to have an immediate understanding the way you do now that 3AM is the middle of the night. It requires an additional question or lookup table, which makes it objectively worse of a system for humans to use and remember.
"Did they go to bed early or late?" ... they went to bed x hours ago. If anything, the math is easier when your 3am is also their 3am(although am/pm would also have to go out the window). Time-zones or no doesn't tell you when they got up or started working without you asking either.
What if the story is from a week ago? Yes, your 3am happens at the same time as their 3am, but your 'night' is still their 'day'.
You'd have to intuitively know every time zone and their offset in order to have an immediate understanding the way you do now that 3AM is the middle of the night. It requires an additional question or lookup table, which makes it objectively worse of a system for humans to use and remember.