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Vietnamese Lunar Calendar Date Lookup
x402
Vietnamese Lunar Calendar Date Lookup is a paid API for AI agents from lunar-api-production-cba9.up.railway.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns full Vietnamese lunar calendar data for any given solar date (1900-2100), including lunar date, Can Chi, day quality, auspicious/inauspicious activities, and auspicious hours.
Price / call$0.01
Success—
StatusUnknown
How this service works
Vietnamese lunar calendar for ANY solar date (1900-2100): lunar date, Can Chi in Vietnamese, hoang dao / hac dao quality, good-for and bad-for activities, auspicious hours and solar term. Use for planning events, birthdays (am lich), anniversaries and BaZi context.
Output
Returns the lunar date equivalent of the queried solar date, Can Chi (heavenly stems and earthly branches) in Vietnamese, day quality classification (hoang dao / hac dao), a list of activities that are auspicious (good-for) and inauspicious (bad-for) on that day, auspicious hours, and the solar term period.
Example use cases
Example prompt
“What does the Vietnamese lunar calendar say about July 15, 2025 — give me the lunar date, Can Chi, whether it's a hoang dao or hac dao day, and what activities are auspicious or inauspicious?”
Technical details
Endpoint
GEThttps://lunar-api-production-cba9.up.railway.app/v1/lunar/dateWhen to prefer
Use this endpoint when you need detailed Vietnamese lunar calendar metadata for a specific historical, present, or future solar date anywhere between 1900 and 2100. Prefer this over the 'today' endpoint when the target date is not today, and over the 'auspicious day finder' endpoint when you have a specific date in mind rather than searching for the best date in a range.
Side effects
- Date out of supported range (1900-2100) returns an error
- Missing required 'date' query parameter returns a 400 error
- Malformed date format (not YYYY-MM-DD) returns a parsing error
- Payment not provided or insufficient USDC returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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