Using present simple and continuous for scheduled future events
Present simple: The bus arrives at 3. | Present continuous: I'm leaving tomorrow.
The shop doesn't open until 10. | I'm not working next Monday.
What time does the film start? | Are you coming to the party?
💡 Present simple = fixed schedules (external). Present continuous = personal arrangements (decided).
✓The flight departs at 7:30 am.
✗The flight will depart at 7:30 am.
Timetabled events use present simple.
✓I'm having dinner with Sarah tonight.
✗I have dinner with Sarah tonight.
Personal arrangements use present continuous.
✓When the boss arrives, we'll start the meeting.
✗When the boss will arrive, we'll start the meeting.
Present tense after 'when' for future time clauses.