Rental availability conflict calendar calculator

Calculate asset free intervals and conflicts and reservation conflict pairs with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use asset free intervals and conflicts and reservation conflict pairs to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Asset identifiers; enter JSON
["A","B"]
Reservations [asset,start hour,end hour]; enter JSON
[["A",0,12],["A",13,20],["B",5,15]]
Turnaround after return (hours)
2
Horizon start (hour)
0
Horizon end excluded (hour)
24
Asset free intervals and conflicts (JSON)
{"available":{"A":[[22,24]],"B":[[0,5],[17,24]]},"conflicts":[[1,2]]}
Reservation conflict pairs (count)
1

Try another scenario

Asset identifiers; enter JSON
["A","B"]
Reservations [asset,start hour,end hour]; enter JSON
[["A",0,10],["A",14,22],["B",4,18]]
Turnaround after return (hours)
3
Horizon start (hour)
0
Horizon end excluded (hour)
30
Asset free intervals and conflicts (JSON)
{"available":{"A":[[13,14],[25,30]],"B":[[0,4],[21,30]]},"conflicts":[]}
Reservation conflict pairs (count)
0
Calculation method

Calculation method

Asset free intervals and conflicts (JSON)

Expand each reservation end by turnaround, merge occupied intervals inside horizon, and return complement; report overlapping expanded same-asset row pairs.

Reservation conflict pairs (count)

Count overlapping same-asset pairs including turnaround.

Symbols and units
a
Asset identifiers; enter JSON
b
Reservations [asset,start hour,end hour]; enter JSON
c
Turnaround after return (hours)
d
Horizon start (hour)
e
Horizon end excluded (hour)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Exact named-asset availability intervals and post-return turnaround; no asset substitution. Supported limits: All numeric inputs and computed intermediates must remain finite. Supported numeric input magnitude is zero or 1e-12 through 1e12 in absolute value; reject values outside this bounded range. All lists/JSON record tables are limited to 100 records unless a stricter bound is stated; reject malformed record arity and wrong member types. Unique asset IDs; references exist; reservation start<end; horizonstart<end; turnaround>=0; <=100 intervals.
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