Prepositions of TimePreposiciones de Tiempo
Prepositions of Time in English: Learn how to use prepositions like 'at,' 'on,' and 'in' to talk about time. This module covers their usage with days, dates, times, and periods.
Preposiciones de Tiempo en inglés: aprende a usar preposiciones como 'at', 'on' y 'in' para hablar del tiempo. Este módulo cubre su uso con días, fechas, horas y períodos.
Overview
Prepositions of time connect events to specific points or ranges in time. English uses prepositions like 'at,' 'on,' and 'in' to answer questions about when something happens. Each preposition links to certain types of time expressions. Choosing the correct preposition depends on how precise or general the time reference is.
Las preposiciones de tiempo conectan eventos con puntos o rangos específicos en el tiempo. El inglés usa preposiciones como 'at', 'on' y 'in' para responder preguntas sobre cuándo ocurre algo. Cada preposición se vincula a ciertos tipos de expresiones de tiempo. Elegir la preposición correcta depende de cuán preciso o general sea la referencia temporal.
"At"
'At' is used for exact times and for set points on a schedule. It can also mark short time points like night or noon. With 'at,' the focus is on a specific moment or appointment, not a whole day or period.
'A' se usa para momentos exactos y para puntos fijos en un horario. También puede marcar puntos cortos como la noche o el mediodía. Con 'A', el enfoque está en un momento específico o cita, no en un día completo o periodo.
| Rule | 🇪🇸Rule |
|---|---|
 Use 'at' with clock times. | Usa 'A' con las horas del reloj. |
 Use 'at' with set points like 'noon' or 'midnight.' | Usa 'A' con puntos fijos como 'mediodía' o 'medianoche'. |
 Use 'at' with short expressions like 'night' when referring to a time point. | Usa 'A' con expresiones cortas como 'noche' cuando se refiere a un momento. |
"On"
'On' is used for days and for dates that act like days. It also covers named days and parts of a day when linked to a specific date or weekday. With 'on,' the reference is a calendar day or a named day, not a broader period.
| Rule |
|---|
 Use 'on' with days of the week. |
 Use 'on' with full dates. |
 Use 'on' with 'day' phrases like 'on my birthday' or 'on that day.' |
 Use 'on' with parts of the day when a day is specified, such as 'on Monday morning.' |
"In"
'In' is used for months, years, and longer periods like seasons or centuries. It also applies to parts of the day when not tied to a specific date. With 'in,' the reference is a container of time that is not a single day or exact moment.
| Rule |
|---|
| Use 'in' with months. |
| Use 'in' with years. |
 Use 'in' with seasons. |
 Use 'in' with centuries and long periods. |
 Use 'in' with parts of the day when not linked to a specific day, such as 'in the morning.' |
Summary
'At' points to exact times or set moments. 'On' points to days and date-like days. 'In' points to months, years, seasons, and other broad periods. Correct choice depends on how narrowly the time is defined.