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879 reviews
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About this app

Follow the movements of Heaven and Earth as they rise and fall through time. Guide the path of Wind and Water as they carve and pass through space. Witness the source that binds all things and find your place along the Way.

sp8cetime measures the cyclical nature of time and the boundless dimensions of space. Based on principles of Chinese Metaphysics, it explores patterns of our world beyond the ordinary and observable: the creation, process, and return — of ten thousand things.

0 Nothing
1 Change
2 Polarities (Yin, Yang)
3 Realms (Heaven, Earth, Man)
4 Seasons (Spring, Summer, Autumn, Winter)
5 Elements (Wood, Fire, Earth, Metal, Water)
8 Trigrams (Heaven, Lake, Fire, Thunder, Wind, Water, Mountain, Earth)
10 Heavenly Stems (Tree, Flower, Sun, Flame, Mountain, Soil, Iron, Gold, Ocean, Mist)
12 Earthly Branches
(Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Pig)

Eight Words (Bazi)
Wind Water (Feng Shui)
Book of Changes (I-Ching)
Mysterious Doors (Qi Men Dun Jia) (QMDJ)
Purple Star (Zi Wei Dou Shu) (ZWDS)


This application supports both English and Chinese. Some text is only available in English. Designed for handheld phones only. Membership is $9.99 USD/month or $99.99 USD/year.
Updated on
May 2, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App info and performance and Device or other IDs
This app may collect these data types
Personal info, App info and performance, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

844 reviews
RootDoctor RevJames
December 8, 2023
Absolute garbage now. I had the free earlier version, which was great, but it started freezing so I figured for continued support I would need to upgrade to the subscription version. Read the reviews and was iffy so instead of purchasing a year subscription I tried the month. Within 5 minutes of me using the new version it was freezing and locking up just like the older version. All the 1 star reviews are true. Don't waste your money. The developer obviously doesn't care about his users.
2 people found this review helpful
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Andrei G.
May 13, 2021
This is a brilliant app. Really appreciate the effort to put them all together in one place. Calculations are good, there is one thing that it looks different, the flying star for the day appears different (not sure if this is a fault). For instance Today 13th May NE star is 4 in the app. Other software indicate as 1. The rest (month, year... looks the same).
11 people found this review helpful
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A Google user
December 12, 2019
Spacetime is truly an awesome app for a metaphysic newbie like me. To remember all the good and bad formations has been my challenges. With this app I get everything with clicks away from Bazi, QiMen, Tong Shu, YiJing and more. Exploring the app is truly a fun way to sharpen my metaphysic learning too. Thank you very much to Spacetime-Calender developer for an awesome app.
7 people found this review helpful
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