When you never know what time it is, and your family thinks it's polite to show up early.
closed as unclear what you're asking by Edwin Ashworth, herisson, AndyT, tchrist♦ Mar 25 '18 at 14:15
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A word that may address the headline of your question is chronomania:
chronomania n (Greek khronos, time + Greek mania, obsession, madness; cf. megalomania, balletomania) - obsession with time and speed; inclination to utilize every moment and to submit one's life to a total time control.
punctual, adj. arriving or happening at the time agreed on
tardy, adj. 1. slow to do something; 2. arriving late