tóng​rì

same day

同日 tóng​rì
same day adverb
occurring on or belonging to the same calendar day

The twins were born on the same day.

simultaneous idiom
happening at the same time; often used in comparative contexts to suggest being on equal footing

Today's achievements are incomparable to those of the past.

Frequency

Movie subtitles
0.360 per million appears in 0% of films
Written text
4.58 per million

Sources

Definitions
CC-CEDICT