noun
tough schedule; hectic schedule; tight schedule
Wasei-eigo from English 'hard schedule'; describes a demanding, packed, or exhausting timetable.
from English hard schedule
今週はハードスケジュールで、毎日終電だ。
This week I have a tough schedule and I'm taking the last train every day.
ハードスケジュールをこなすには体力が必
You need stamina to handle a hectic schedule.