만나이 디데이 계산기

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About this app

Finish complex date calculations all at once.

From age in years to D-days, 100-days, and anniversaries — this is the simplest and fastest date calculator.

■ Calculate Age in Years
- Instantly calculate age in years just by entering your date of birth
- Displays how many days you have lived since birth and how many days remain until your next birthday
- Supports both Solar and Lunar calendars (accurate Lunar birthdays)

■ Calculate D-day
- See how many days are left until your target date (D-day) at a glance
- Calculates how many days have passed even for dates that have already gone by

■ Manage Anniversaries
- Save special days such as your first date of dating or wedding anniversary
- Automatically calculates anniversaries like 100-day, 200-day, and 1-year anniversaries
- Organizes upcoming anniversaries in order of proximity

■ Other Features
- Check your Zodiac Sign/Astrological Sign
- Use immediately without logging in; all information is stored only on your phone
- Lightweight and clean interface

Don't forget the special days of your loved ones, family, and friends.

Try it out right now!

What’s new

이번 업데이트로 더 깔끔하고 편리해졌어요! 🎉

[홈 화면 개편]
- 깔끔한 카드 디자인으로 한눈에
- 카드를 누르면 상세 정보 (다가오는 기념일까지 쭉)
- ＋ 버튼으로 간편하게 추가

[위젯 새단장]
- 홈 화면 위젯에 원하는 디데이를 직접 선택 ✨
- 단일·목록·미니 3종 위젯
- 더 예뻐진 디자인

[기능 추가]
- 매년 반복(생일)·매달 반복(월급날) 지원
- 카테고리 + 나만의 카테고리 만들기
- 알림 (D-7·D-1·당일), 사진·스티커·색상 꾸미기
- 디데이 이미지 공유 + 앱 링크

[계산기 강화]
- 만 나이 - 세는나이·연나이·산 날수·천일 기념일
- D-day - 주·개월·평일 환산
- 띠·별자리 - 오행·행운요소·궁합

[디자인]
- 깔끔한 단색 카드, 달력 한글화