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   Peter Williams (pkgw@mastodon.world)'s status on Wednesday, 18-Sep-2024 04:55:55 JST Peter Williams

   I've spent several hours being extremely confused about the timestamps in the early logbooks of some of the Harvard photographic plates and I think I've finally figured out that the logged time is ... hours after 3 PM Eastern time?

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     powersoffour (powersoffour@mastodon.social)'s status on Wednesday, 18-Sep-2024 04:55:53 JST powersoffour

     in reply to

     @pkgw Ah, yes, DABPT -- "Disney Afternoon Block Party Time"

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     powersoffour (powersoffour@mastodon.social)'s status on Wednesday, 18-Sep-2024 05:04:36 JST powersoffour

     in reply to

     @pkgw Oh my goodness.

     Also this thread you wrote? Brilliantly fun.

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     Peter Williams (pkgw@mastodon.world)'s status on Wednesday, 18-Sep-2024 05:04:38 JST Peter Williams

     in reply to

     • powersoffour

     @powersoffour There was a record for June 2, 1888 marked "7h23m" with a note saying that the observation started just as the stars were coming out and it's like ... uh, in what possible time system does summer twilight in Cambridge happen at 07:23?