Prepositions in ENGLISH « AT » | Do you KNOW this ?

HOW to use at in ENGLISH ?

The preposition "at" is commonly used in English to indicate a specific point in time or place. Here’s a detailed explanation of how "at" is used with time expressions:

### 1. **Specific Times**
- **Usage**: "At" is used to specify an exact time on the clock.
- **Examples**:
- **At 12**: Refers to exactly twelve o'clock (this could mean 12:00 p.m. or 12:00 a.m., depending on the context).
- **At 1 p.m.**: Refers to exactly one o'clock in the afternoon.

### 2. **Periods of Time**
- **Usage**: "At" is used for specific points of time that are not tied to a particular hour or minute but still reference a definite period.
- **Examples**:
- **At night**: Refers to the time during the night; generally used to talk about the time after the evening when it is dark.
- **At noon**: Refers to 12:00 p.m. or midday.
- **At midnight**: Refers to 12:00 a.m. or the middle of the night.

### 3. **Holidays and Special Occasions**
- **Usage**: "At" can be used with holidays or special occasions to indicate the time when something occurs.
- **Examples**:
- **At Christmas**: Refers to the period during the Christmas holiday.
- **At the weekend**: Refers to the general period covering Saturday and Sunday.

### 4. **Other Time-Related Expressions**
- **Usage**: "At" can also be used with other expressions to indicate a point in time.
- **Examples**:
- **At the moment**: Refers to right now.
- **At present**: Refers to the current time.
- **At the same time**: Refers to two actions or events occurring simultaneously.

### Summary
- **"At"** is used for precise times, specific moments, and certain periods (like "night" or "noon").
- Use **"at"** when you want to pinpoint a specific time without ambiguity.

When deciding to use "at," think about whether you are referring to a specific point or a more general timeframe. If it’s a specific time or moment, "at" is usually the right choice.