3. ON, IN or AT? Here´s a tip for you ! When talking about time, we use: AT – for hours: at 7 o’clock; at 4:30 p.m. IN – for months, years and seasons: in January; in 1996; in winter. ON – for days and dates: on Sunday; on February 14th. For further information and practice visit us! / Learn more about this: At the library : MURPHY, Raymond. English Grammar in Use: A self-study reference and practice book for intermediate students . 2 ed. Cambridge: Cambridge Press University. 1994. At the Learning Center : Focus on Grammar Intermediate. CD-ROM
