Koyomi presents Japanese rokuyo, lunar dates, stems and branches, seasonal terms and auspicious days, with daily, monthly and annual Nine Star charts. Premium adds date searches, birth-based favorable directions and Nine Star, zodiac and sukuyo compatibility.
Tap calendar terms for explanations alongside lunar age, sunrise, sunset and seasonal details. Direction tools show Nine Star day, month and year charts, directional deities and an eho compass.
Birth data stays on-device without an account; personalized calendars, compatibility and alerts require Premium.
