Prepositions of Time – ESL Grammar Guide

🧠 What Are Prepositions of Time?

Prepositions of time show the relationship between actions or events and the time they happen. The most common prepositions of time are at, on, and in.

⏰ Using At

Use at for specific times and holidays without “day.”

📅 Using On

Use on for days and dates.

📆 Using In

Use in for longer periods of time like months, years, centuries, and parts of the day.

✅ Quick Tips

• At = exact time or holiday (no “day”)
• On = days and dates
• In = months, years, centuries, parts of the day