I'm wondering if there is a conventional word or short phrase meaning "happening on the same day" -- similar to "at the same time" but implying same day without implying that the events are simultaneous.

For the sake of example, I'll use a placeholder I came up with, cosolar

  • "X is [cosolar] with Y"
  • "I missed my final exam because it was [cosolar] with major surgery."

Is there such a word?

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    You could say "X coincided with Y" - or in your second example "... because it clashed with ..." – Thruston Jan 16 '15 at 13:56
  • @Thruston For phrasing/word choice, both of those options are good, but I'm curious about something that specifically means "on the same day – asfallows Jan 16 '15 at 14:14
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    Then you could resort to "isohemeral" but it's hardly an everyday word. – Thruston Jan 16 '15 at 14:24
  • I think the phrase you're looking for is "happening on the same day". Though, thinking about it, George Carlin may have a word for you. – Hot Licks Jan 16 '15 at 21:10
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    How about 'simuldayneous'? :) – Erik Kowal Jan 16 '15 at 23:55

There is wide usage of the hyphenated variation "same-day," though it is largely associated with commercial services, as in "Same-Day Delivery." Most languages are rife with loanwords, though, and borrowing is almost always cheaper than building.

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simultidian - a portmanteau of simultaneous and quotidian. (You didn't use the [real-word] tag.)

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  • You know what? I like it. – asfallows Jan 17 '15 at 19:47
  • I'm picturing a professor's blank expression, thinking where is his OED, maybe it's not so bad giving you a second chance to take that exam. – Bob Stein Jan 17 '15 at 19:53
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    I also really like this answer because my original inspiration for the question was a name for a variable in program code; I could easily use this name for that. – asfallows Jan 17 '15 at 19:56

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