The Van Nien Calendar app is one of the indispensable applications for every mobile user.

Perpetual calendar is a calendar used for many years; Compose according to the cycle: year - month - day - hour - canning, payment; turn around every 60 years.
Perpetual calendar based on the theory of the five elements of yin and yang counteracts each other, combined with the ten cans, the two genera, the nine syllables, the eight trigrams and many other theoretical bases of ancient Eastern science such as the thirteenth (Kien Except for the other two guests), the Second Cross, 12 Zodiac signs, the Black Zodiac ... for calculating good and bad times.
To build this application, our content development and programming team spent a lot of time in units of year researching on the internet and researching through famous books such as the Jade Jewel.

In this application we provide you with many features such as:

- See Yin and Yang day, month by month, year by year
- Detailed information perpetual calendar each day such as: Zodiac Day, Black Day, Zodiac, Additional age, Departure, Cat Tinh - Good Star, Saturn - Bad Star, Online Information, Information about the Second Cross Bat Tu.
- Change the Yin-Yang day
- Inauguration: Lunar New Year, Tiet of the year, First and 10th full moon, Life cycle, Drought, Funeral, Death anniversary, Also at home, Temple ceremony, Temple
- Horoscope according to 2020
- Get the horoscopes
- Shipping by year
- Term information
- See the age of building a house
- See the age of marriage
- Giving an appropriate birth
- Bone balance calculation
- Information about the 12 signs of the zodiac.
- Love in the zodiac
- Funny love test
- See the age of rushing home 2020
- Information on holidays in the year
- Note your daily events.

Our App for Perpetual Calendar also provides good day information suitable for each job each month, so that you can easily refer and choose:
- Calendar good day
- See good and bad days
- See the zodiac day
- See the date of entry
- See groundbreaking day
- See opening day
- See the date of buying a car
- See the Day of the Great Cat Japanese
- View the date of signing the contract.

Thank you for using the application.