Sky × JP Calendar app for iPhone and iPad

”Sora Koyomi" is an application that enriches your life by adding the information of the Japanese lunar calendar "72 seasons" to highly accurate weather forecasting and allows you to enjoy the daily weather with the detailed expressions of the seasons.

= Enjoy the sky and the seasons every day =
＝ The story of the 72 seasons = The story of the 72 seasons =
= Natures richest blessing, "whats in season" =
= Enjoy highly accurate weather forecasting with a sense of harmony =
= The original index for everyday life =
= Knowing the weather anywhere you want =

Enjoy the sky and the seasons every day!
Japan has many beautiful seasons and the blessings of nature. Many natural phenomena, such as weather, are closely related to these seasons. Sora×Koyomi provides detailed seasonal information based on the lunar calendar, the crystallization of wisdom of our predecessors, along with weather forecasts. We hope that your daily life will be enriched by listening to the voice of nature.

The story of the 72 seasons
In the Japanese lunar calendar, the 24 solar terms, which divides the year into 15 days, and the 72 seasons, which divides it into 5 days, have been used to describe the changes of the seasons in detail. In "Sora x Koyomi", we will introduce the 24 solar terms and the 72 seasons, along with weather forecasting, to show you the detailed expressions of the seasons as felt by the ancient Japanese.

The rich blessing of nature "Whats in season".
In the 72 seasons of the year, there are many blessings of nature, such as seasonal foods such as vegetables and seafood, the characteristic flora and fauna of each season, and food culture and events that have been handed down since ancient times. Sora x Koyomi" picks up these seasonal ingredients as "seasonal items". It introduces fun and informative stories about the origins of the names of these seasonal items, tips for choosing ingredients, and other trivia, along with emotional illustrations.

Enjoy highly accurate weather forecasts with a Japanese feel.
Sora-X-Koyomis weather forecasts are highly reliable. We deliver highly accurate weather information that has been uniquely adjusted with simple, streamlined functions and unique icons that give a distinctly Japanese feel.

　(1) Todays and tomorrows weather forecast
　(2) Hourly weather forecast
　(3) Weekly weather forecast

(1)Weather forecast for today and tomorrow
Summarize the forecast over time and display todays and tomorrows weather at a glance. Its perfect for when you want to check the weather quickly!
[Source information]
　Highest level of pinpoint weather* / highest and lowest temperatures / sunrise and sunset times / moon phases
This is 400 times finer than the weather information (20-km mesh) published by the Japan Meteorological Agency.

(2) Hourly weather forecast
The weather is displayed every hour for up to 72 hours in the future. The accuracy rate for this period is about 90%! The weather forecast is also very good.
[Source information]
　Detailed hourly weather / precipitation / temperature / humidity / wind direction and wind speed

(3) Weekly weather forecast
You can see at a glance the weather for the next 7 days ahead, which is handy for making future plans for a weekend getaway or next weeks business trip.
[Source Information]
　One weeks worth of weather/maximum temperature and minimum temperature/probability of precipitation

Original indexes for daily life
Indexes for laundry, UV rays, and more, analyzed by our proprietary algorithms. We hope you find it useful for your daily life.
[Source information]
　Discomfort Index / UV Index / Washing Index