Diners can claim a 15% discount on tables booked for 8:30pm and 9:00pm on Monday – Thursday evenings until Thursday 31 July 2018. Offer is valid Monday – Thursday, excluding Bank Holidays and Valentine’s Day. This offer is valid for food only and excludes drinks. To redeem this offer, book online 24 hours in advance and quote ‘Night Owl Offer’. This offer cannot be used in conjunction with any other offer. Management reserves right to cancel or alter this offer at any time without prior notice. Offer is valid at COSMO Edinburgh only.