What is Ngày Hoàng Đạo and why does it matter?

Hoàng Đạo days are considered favorable in Vietnamese feng shui. Six Hoàng Đạo stars rotate: Thanh Long, Minh Đường, Kim Quỹ, Bảo Quang, Ngọc Đường, Tư Mệnh. Each 12-day lunar cycle alternates six Hoàng Đạo and six Hắc Đạo days.

How to pick a good grand-opening day?

Choose Hoàng Đạo (avoid Hắc Đạo), avoid Tam Nương and Nguyệt Kỵ, and check age clash with the owner. Use our tool with purpose “grand opening” and birth year to filter.

What are Tam Nương and Nguyệt Kỵ?

Tam Nương falls on lunar days 3, 7, 13, 18, 22, 27 — avoid important matters. Nguyệt Kỵ on lunar 5, 14, 23 — monthly taboo days. Neither suits openings, weddings, or long travel.

What does “xung tuổi” mean here?

Age clash happens when the day’s Earthly Branch clashes with the user’s branch (e.g. Tý vs Ngọ). Avoid being the main actor for major events, or have someone not clashed represent you.

Which wedding days are good in 2026?

Pick Hoàng Đạo, avoid Tam Nương and Nguyệt Kỵ, no clash for either partner. Use our tool with purpose wedding and birth years to filter.

Good/Bad Day Checker

Choose auspicious days, avoid inauspicious ones – Everything flows smoothly

❖ MONTH 7 — 2026 ❖

— Year Bính Ngọ —

LEGEND: Auspicious Inauspicious / Bad Normal ●Today TNTam Nuong NKNguyet Ky

MON features.xem_ngay_cal_hdr_mon_short

TUE features.xem_ngay_cal_hdr_tue_short

WED features.xem_ngay_cal_hdr_wed_short

THU features.xem_ngay_cal_hdr_thu_short

FRI features.xem_ngay_cal_hdr_fri_short

SAT features.xem_ngay_cal_hdr_sat_short

SUN features.xem_ngay_cal_hdr_sun_short

Thanh Long

Minh Đường

Thiên Hình ⚠

Chu Tước ⚠

Kim Quỹ

Bảo Quang

Bạch Hổ ⚠

Ngọc Đường

Thiên Lao ⚠

Huyền Vũ ⚠

Tư Mệnh

Câu Trận ⚠

Thanh Long

M.1/6

Tư Mệnh

Câu Trận ⚠

Thanh Long

Minh Đường

Thiên Hình ⚠

Chu Tước ⚠

Kim Quỹ

Bảo Quang

Bạch Hổ ⚠

Ngọc Đường

Thiên Lao ⚠

Huyền Vũ ⚠

Tư Mệnh

Câu Trận ⚠

15Rằm

Thanh Long

Minh Đường

Thiên Hình ⚠

Chu Tước ⚠

Tuesday, 28/07/2026

Lunar day 15 month 6 year Bính Ngọ

Can Chi: Quý Mão

✦ Ngày Tốt

✨ Thanh Long — Hoàng Đạo

Day score 3/10

Day Reading

$5.00

Click the button to get a general reading for this day. Login required.

Frequently Asked Questions

What is Hoàng Đạo?

Hoàng Đạo days are favorable in feng shui. Six stars per 12-day lunar cycle: Thanh Long, Minh Đường, Kim Quỹ, Bảo Quang, Ngọc Đường, Tư Mệnh. Choosing Hoàng Đạo improves outcomes for important work.

Are Tam Nương and Nguyệt Kỵ dangerous?

Tam Nương (lunar 3,7,13,18,22,27) and Nguyệt Kỵ (5,14,23) are monthly taboo days. Avoid openings, weddings, and long trips.

How to pick the best grand-opening day?

① Hoàng Đạo (not Hắc Đạo), ② not Tam Nương/Nguyệt Kỵ, ③ no age clash. Enter birth year and filter by “grand opening”.

How does age clash affect date picking?

Clash when day branch conflicts with your branch (e.g. Tý–Ngọ). Not always “bad”, but the clashed person should avoid leading ceremonies. Enter birth year for purple “X” markers.

How does AI reading work?

After picking a day, tap AI reading for detailed analysis: star meaning, do’s and don’ts, scored by your selected purpose.