in · interval contains event
in 2024 · in July · in summer
Masterminds · English Grammar
Prepositions · Time
The Same Three Words Do a New Job
12 / 42
on · calendar day/date
on Monday · on May 3rd · on Friday night
at · clock point
at 7 o’clock · at noon · at midnight
parallel diagrams
in [span] · on [day/date] · at [clock point]
Tiempo: un intervalo contiene el evento; un día lo coloca en el calendario; una hora lo fija como punto.
in = intervalo; on = día/fecha; at = punto exacto.