times the romance car leaves shinjuku for Hakone yumoto

Hi Ira!

The time the Romancecar leaves shinjuku depends if it is the weekend or a week day.

You can check the timetable of the romancecar in Odakyu line here:  https://www.odakyu.jp/english/romancecar/timetable/

The information you are looking for is within this dark blue line.