诞辰 dànchén birthday
How to remember 诞辰: 诞 to give birth + 辰 early morning = birthday.
Characters
How it is used
- Birthday, but a formal, honorific one, for revered or deceased figures: 毛泽东诞辰 (Máo Zédōng dànchén) Mao Zedong's birthday; 百年诞辰 (bǎinián dànchén) centenary of one's birth.
- Do NOT use for a friend's birthday. That's 生日 (shēngrì). 诞辰 is for commemorations of great/historical persons.
- Written register, often in memorials and anniversaries.