01
Hotels charge by night
Nights run from the check-in date through the night before check-out. A three calendar-day trip may only be two hotel nights.
Hotel nights calculator
Enter check-in and check-out dates to confirm billable nights.
Date inputs
How hotel nights are counted
02
Date math avoids time-zone edges
The calculator uses UTC date serials so daylight-saving boundaries do not change the night count.
Frequently asked questions
What about same-day check-out?
A same-day range is 0 hotel nights and is treated as invalid for this planner.
Does it include late check-out fees?
No. It only counts nights from dates.