• 翌日よくじつ — the next day
• 翌年よくねん — the following year
• 翌朝よくちょう — the next morning
• 翌週よくしゅう — the following week
• 翌晩よくばん — the next evening

翌 combines 羽 (feathers/wings) with the phonetic 立, forming the sense of something that rises or comes after. It is widely used in written Japanese, especially in newspapers, to mark the next day or year. In casual speech, simpler words like あした are more common.