YYYY-MM-DD.
Common fields
| Field | Meaning |
|---|---|
date_from | Arrival date, start date, or the beginning of a search range. |
date_to | Departure date, end date, or the end of a search range. |
start_date | Check-in date for checkout-date lookup. |
date_from is the arrival date and date_to is
the departure date.
The departure date must be after the arrival date.