a day drags past like a year (idiom); time hangs heavy
time crawls when one is wretched
Definitions (粵典–words.hk)
語句
字面指過一日好似過一年咁漫長,有時間過得好慢、日子好難過嘅意思 days are long and difficult; literally: to endure each day as if it was a year
日日都冇嘢做,感覺度日如年。
日日都没嘢做,感觉度日如年。
jat6 jat6 dou1 mou5 je5 zou6, gam2 gok3 dou6 jat6 jyu4 nin4. There is nothing to do every day, makes days pass like years.