日程

1. Origins, structure, and basic meaning

• Structure: 日程 is read as にってい and is a noun for the schedule or arrangement of dates for a trip, event, or work.
• Basic usage: Discussing and setting it appears in 日程を相談して決める, while a one-day delay appears in 日程が一日延びる.

2. Common pitfalls and similar expressions

• Planning and change
  • It presents an arranged sequence of dates and activities and may be moved earlier or later because of circumstances such as weather.
• Difference from 予定
  • 予定 broadly covers personal plans and scheduled events, while 日程 focuses on the arrangement and order of dates for an event or trip.