Traditional Almanac
Solar & lunar calendars, 24 solar terms, heavenly stems, festivals, and daily auspicious guidance.
SYS·ONLINE
│
Now Available on Mobile
Ancient Wisdom Modern Precision
JoyKnow bridges millennia of Chinese traditional culture with cutting-edge algorithms — your gateway to calendar, timing, and cultural insights.
HERITAGE
0+
Years of Heritage
GRID·9
0
Palace Grid System
SOLAR·24
0
Solar Terms Tracked
COORD
116.4°E · 39.9°N
TERM
小暑 · MINOR HEAT
GANZHI
甲辰 · 丙寅
LOSHU
4·9·2 / 3·5·7 / 8·1·6
JIUGONG·SYS
WX·01
Yin & Yang
JX·09
Flying Stars
HL·24
Lunar Calendar
CORE MODULES
Powered by Tradition, Built for Today
Every feature is rooted in classical texts and refined with modern computation.
Auspicious Timing
Classical date selection for travel, events, and daily planning with directional guidance.
Nine Palace Flying Stars
Visualize annual and monthly star distributions across the nine-palace spatial grid.
Five-Element Style
Daily color and style recommendations based on wuxing cycles and seasonal rhythms.
Xiao Liu Ren
Quick temporal divination reference rooted in classical time-number systems.
More Coming Soon
New cultural modules and study tools are continuously being developed.
GET STARTED
Download JoyKnow
Take ancient wisdom with you — App download and WeChat Mini Program「易知易知」are both available.
微信小程序
易知易知
除 App 外，还可使用微信小程序，打开微信扫一扫即可体验。也可微信直接搜索：易知易知，进入小程序。
Android APK is available now. You can also use WeChat Mini Program「易知易知」.