TianyiEnter your birth details
Date is required. Time and birth longitude are optional — adding them enables true solar time correction for a more precise chart. Without them it still works; the hour-level reading is just coarser.
See where you stand, then decide
Tianyi builds on a traditional BaZi chart, then reads it against today's energy and the specific question you're carrying — and gives you something you can act on, not a vague verdict.
iOS and Android · English and Simplified Chinese
How it works
Three steps in, what Tianyi remembers is your situation — not just your birthday.
Ask something real
Whether to change jobs. Whether this relationship is worth continuing. Whether to move that money. Tianyi reasons over your chart, the day's energy, and your actual question — not a generic script.
Log check-ins, watch the pattern
Jot down how the day felt and what you plan to do. Come back a week or a month later to the aggregate view. You'll see which rhythms suit you — and that part comes from your records, not the chart.
Straight talk
This is not a prediction engine
Tianyi offers perspective and a sense of timing. It promises no outcomes. For decisions involving health, law, or significant money, talk to a qualified professional.
Your records stay yours
Everything Tianyi extracts from your conversations is visible to you and can be deleted one by one. Low-confidence entries are held as unconfirmed and never enter a conversation.
No sign-up required
Anonymous by default. You only need to link an Apple or Google account if you want to continue on another device, or carry a subscription with you.