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Chinese Auspicious Date Selection (择日 / 黄道吉日)
x402
Chinese Auspicious Date Selection (择日 / 黄道吉日) is a paid API for AI agents from api.cn402.com, paid per call via x402, $0.16/call, status unknown (last checked 2026-09-15).
Given an activity type and date range, returns auspicious days where the activity is favorable (宜) and not taboo (忌), including lunar date and day clash information.
Price / call$0.16
Success—
StatusUnknown
How this service works
Chinese auspicious date selection / 择日 / 黄道吉日 / 选吉日 / pick a lucky day / wedding date / 嫁娶吉日 / moving date / 开市吉日. Given an activity (嫁娶/开市/出行/动土/入宅/安床/祭祀/纳财...) and a date range, returns the auspicious days where that activity appears in 宜 (favorable) and not in 忌 (taboo), with day clash and lunar date. For AI agents handling wedding, moving, business-opening or event date-selection queries.
Output
A list of auspicious days within the requested date range where the specified activity appears in 宜 (favorable) and not in 忌 (taboo), each entry including the Gregorian date, corresponding lunar date, and the day clash (冲) animal/stem-branch.
Example use cases
Example prompt
“Can you find auspicious days for a wedding (嫁娶) between July 1 and July 31, 2025 using the Chinese almanac — I need days where marriage is in the 宜 list and not in 忌, with the lunar dates and any day clashes?”
Technical details
Endpoint
GEThttps://api.cn402.com/almanac/selectWhen to prefer
Use this endpoint when a user needs to select an auspicious date for a specific Chinese cultural activity (wedding, moving, business opening, ground-breaking, etc.) based on traditional Chinese almanac (黄历) rules, especially when they need the richer per-activity 宜/忌 filtering rather than just a general monthly calendar view.
Side effects
- Invalid or unrecognized activity type returns an error or empty result
- Date range too wide may return no results or be truncated
- Dates in the past may be rejected or return empty
- Malformed date format causes a 400-level error
- Network or payment (x402) failure prevents response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| days | string | Days (optional) |
| start | string | Start (optional) |
| activity | string | Activity (required) |
Tags
x402
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