Calculate the number of days between two given dates (excluding the 'To' date).
{
"calculator": "day-counter",
"input_labels": [
"From date",
"To date"
],
"title": "Day Count",
"category": "Dates",
"op_label": "Number of Days",
"explanation": "Calculate the number of days between two given dates (excluding the 'To' date).",
"template": "calculator_dates"
}