The expiration date of Caesarden White Beer can be checked by looking at the label on the packaging. Generally speaking, the shelf life of bottled beer ranges from 90 days, 120 days, and 180 days. The adjacent years are written on the left and right sides of the outer ring of the trademark. The upper half (1-12) is the month, and the lower half (1-12) is the month. 31) is the number of days, the year, month, and day when the beer was produced. It depends on the small notch on the label. The corresponding number is the date when the beer was produced. Whether it has expired and whether it can be drank is clear at a glance.