Kaiun Koyomi: Lucky Days

See today's luck at a glance. Never miss the strongest lucky days — a fully on-device Japanese almanac.

Kaiun Koyomi is a beautiful, quiet Japanese almanac that gently tells you how to make the most of each day. It brings together traditional Japanese calendar wisdom — Rokuyo, Nine Star Ki, Ichiryu Manbai-bi (one-grain-ten-thousandfold day) and Tensha-bi (heaven's grace day).

Your birth date and plans stay entirely on your device. No account, no network, no ads.

FEATURES

• Today's almanac and luck score at a glance
• Monthly calendar with rokuyo and lucky-day markers
• Detailed almanac for each day, with explanations

KAIUN KOYOMI PRO (one-time purchase)

• Your personal daily fortune via Nine Star Ki
• Lucky Day Finder: the best days for weddings, business, new wallets and more
• Lucky-day notifications: never miss Tensha or Ichiryu Manbai days
• Compatibility via the five elements

Almanac and fortune content is for entertainment. Data stays on your device and is never sent externally.