Universal Lunar Calendar — a comprehensive Vietnamese lunar calendar app combining Lunar-Solar dates and traditional cultural content. KEY FEATURES: Lunar-Solar Calendar - Side-by-side Lunar and Gregorian date display - Monthly calendar view with holidays and events - Daily details: Can Chi zodiac, Solar Terms, Auspicious Hours Feng Shui & Auspicious Dates - Auspicious Hours (Gio Hoang Dao) — 12 lucky hours each day - Can Chi day/month/year (Heavenly Stems & Earthly Branches) - 24 Solar Terms by season - New Moon & Full Moon highlighting Event Management - Create events by Lunar or Solar calendar - Recurrence: Weekly, Monthly, Quarterly, Yearly - Smart reminders with flexible timing options - Categories: Memorial, Birthday, Anniversary - Attach photos to events - Quick event search Device Calendar Sync - Display events from Apple Calendar alongside your personal events - View device event details and open in native Calendar app - Toggle on/off in Settings Holidays & Festivals - 11 traditional Lunar holidays - 8 Solar calendar anniversaries - Regional cultural festivals - Detailed articles about origins and customs of each holiday - Holiday notification alerts Beautiful Design - Gom Cham theme — inspired by Vietnamese pottery art - Light and Dark mode support - Bilingual: Vietnamese & English Completely FREE. No account required. Works offline.
