Preposition of Time and Place : IN/ ON/ AT เวลาและสถานที่
IN/ ON/ AT: Prepositions of Time IN non-specific times, for example: years, months ใช้กับเวลาที่ไม่ได้เฉพาะเจาะจง เป็นเวลากว้างๆ In + Parts of the day In the morning In the afternoon In the evening In + Months In January In February In + Seasons In (the) spring In (the) summer In + Years In 1980 In 1969 In + Decades In the 1960s In the seventies In + Centuries In the 15th century In the 21st century In + Weeks In a week In 2 weeks In + Periods of time In the past In the next century In the future In the middle ages In a moment In + Holidays In the Easter holiday ON dates, days of the week and holidays with “day” ใช้กับวัน หรือวันหยุดที่มีคำว่าวัน On + Days On Monday On Thursday On Sunday On + Dates On April 3rd On 1st January 2013 On the 10th On the first day On + Holidays with “day” On New Year’s day On Christmas day On Easter day On + Specific days On my birthday On my wedding day On that day On + Time On the weekend (U.S.) On weekdays On time On a summer evening On + Day + Part of d...