Unloading bay;
05:00-18:00,
max-stay: 20 minutes, must display time of arrival (yellow parking disc), must “display business name and address”.

Parking (public, in general) permitted Mon-Sat 18:00-05:00, Sunday at any time. Doesn't specify that payment is required, or duration of max-stay; implies that fee is zero, and duration is unlimited within permitted hours.