Give arrival day a smaller job
Arrival day already contains a journey.
Arrival day already contains a journey. Giving it one small destination can be more useful than pretending it is a full sightseeing day with a late start.
Choose something near your base that does not require a tight reservation: a short public walk, a simple meal or an errand that helps tomorrow. Verify opening hours and access where relevant. Keep the activity easy to abandon if the arrival is delayed. An activity that requires crossing the whole city is not a small job merely because the visit itself is short.
Decide what can move
Put the essential tasks first, such as reaching accommodation and obtaining whatever you need for the next morning. Separate these from optional plans in your notes. If everything has the same status, a delayed train can make the whole day feel behind before you have begun.
Account for luggage and energy, including the needs of children or companions. Ask about storage rather than assuming that a café or reception will take your bags. Pick a nearby alternative for dinner so the evening does not depend on one busy address.
At the end of the day, confirm tomorrow's first appointment and transport. Then stop planning. Arrival day succeeds by making the next day easier and leaving you settled, not by matching the number of stops on a day when you woke up at the destination.