VietLunar puts the Vietnamese lunar date on your Chrome toolbar and opens a full month at a glance. • Every cell shows both the solar (Dương lịch) and lunar (Âm lịch) date • Pick any day for its Can Chi, tiết khí, and giờ hoàng đạo • "Ngày lễ sắp tới" lists coming lunar holidays with a countdown — click one to jump to that month • "Ngày cần nhớ" stores death anniversaries and birthdays on the lunar calendar — click to jump • The toolbar icon is today's lunar day number, refreshed after midnight • Fully offline: no account, no tracking, no network access • English and Vietnamese UI Lunar calculations use Hồ Ngọc Đức's âm lịch algorithm. Covers 1800–2199. See the source code and report issues in https://github.com/kimkha/vietlunar