noun
Saturday, Sunday and Monday
Refers to the three-day span from Saturday to Monday, often used in contexts like weather forecasts, event schedules, or travel plans.
土日月の三連休は旅行に行く予定です。
I plan to go on a trip during the three-day weekend from Saturday to Monday.
天気予報によると、土日月は雨が続くそうです。
According to the weather forecast, it will rain from Saturday through Monday.
三連休 is a general term for any three-day holiday or long weekend, whereas 土日月 specifies the exact days Saturday, Sunday, and Monday.
Compound of the kanji for the days of the week: 土 (Saturday), 日 (Sunday), and 月 (Monday). The reading どにちげつ combines the on'yomi of each character.