有ゆう効こう期き限げん

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Meanings

expiration date; validity period

Refers to the date until which something is valid, such as a credit card, medicine, coupon, or contract.

有ゆう効こう期き限げんが切きれるfor the expiration date to pass; to expire
このクーポンは有ゆう効こう期き限げんが切きれています。
This coupon has expired.
有ゆう効こう期き限げんを確かく認にんするto check the expiration date
薬くすりを飲のむ前まえに有ゆう効こう期き限げんを確かく認にんしてください。
Please check the expiration date before taking the medicine.
有ゆう効こう期き限げんを延えん長ちょうするto extend the validity period
会かい員いんは有ゆう効こう期き限げんを1年ねん延えん長ちょうできます。
Members can extend their validity period by one year.
有ゆう効こう期き限げん内ないにwithin the validity period
有ゆう効こう期き限げん内ないにご利り用ようください。
Please use it within the validity period.

期き限げんN3
期限 is a general term for any deadline or time limit, while 有効期限 specifically means the date until which something (like a card or coupon) remains valid.

賞しょう味み期き限げんN2
賞味期限 marks the date until which a food product is at its best quality, whereas 有効期限 marks the validity period of non-food items like cards, medicine, or contracts.
消しょう費ひ期き限げん
消費期限 is the safety deadline for consuming perishable food, while 有効期限 refers to the validity period of things such as licenses, coupons, or credit cards.

Compound of 有効 (valid) and 期限 (time limit, deadline).