at: night, 10:30, noon / midday, midnight, bedtime, sunrise, sunset, lunchtime, in: the morning, the afternoon, the evening, February, (the) spring, (the summer), (the) fall / autumn, (the) winter, 2013, the 1990s, on: Sunday, Monday morning, Tuesday afternoon, Wednesday evening, my birthday, a holiday, Christmas day, May 5, a weekday, the weekend,

Prepositions of time: at / in / on

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