tuổi tây

Một em bé vừa tròn một tuổi tây.

Definition

1. Noun:
   • Western age / International age: The exact number of years a person has lived, calculated from the date of birth according to the Gregorian (solar) calendar. This is the standard age system used in most Western countries and internationally.
   • Real age: Often used in contrast to traditional Vietnamese "lunar age" (tuổi ta or tuổi mụ), which is typically one to two years higher.

Usage Examples

• Noun:
  • Bé năm nay 5 tuổi tây. (The child is 5 years old in Western age.)
  • Ông ấy 60 tuổi tây, nhưng 61 tuổi ta. (He is 60 in international age, but 61 in lunar age.)
  • Hãy điền tuổi tây của bạn vào mẫu đơn. (Please fill in your Western age on the form.)

Advanced Usage

• The term is commonly used in official, medical, and legal contexts in Vietnam where precise age is required, such as for school enrollment, passports, or insurance documents.
• It clarifies which age-counting system is being referenced, avoiding the confusion that can arise from the traditional lunar calendar system.

Variants and Related Words

• Tuổi ta / Tuổi mụ (n): Lunar age, Vietnamese age. The traditional age, where a person is considered one year old at birth and gains a year each Lunar New Year (Tết).
• Tuổi âm lịch (n): Lunar calendar age. Synonymous with .
• Tuổi dương lịch (n): Solar calendar age. A more formal synonym for .

Synonyms

• International age
• Solar age
• Gregorian age
• Chronological age

Related Concepts

• Tính tuổi: To calculate age.
  • Cách tính tuổi tây rất đơn giản. (Calculating Western age is very simple.)
• The difference between and is a key cultural concept in Vietnam, especially during Tết (Lunar New Year) when everyone's increases simultaneously.