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Gotobi Next Date Lookup
x402
Gotobi Next Date Lookup is a paid API for AI agents from gotobi.hugen.tokyo, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the next upcoming gotobi day (五十日) with exact date and countdown, applying Japanese public holiday and weekend shift rules
Price / call$0.01
Success—
StatusUnknown
How this service works
Next upcoming gotobi day with countdown — returns the exact date with Japanese public holiday adjustments applied. Essential for pre-positioning USDJPY trades ahead of the Tokyo fixing. No public gotobi calendar exists; building one requires Japanese holiday law + weekend shift rules. Accepts USDC payments on Base and Solana
Output
Returns the exact date of the next upcoming gotobi day (5th, 10th, 15th, 20th, 25th, or last business day of the month), adjusted for Japanese public holidays and weekend shift rules, along with a countdown in days from the current JST date.
Example use cases
Example prompt
“What is the next gotobi day coming up, with any Japanese public holiday or weekend adjustments applied, so I can time my USDJPY position before the Tokyo fixing?”
Technical details
Endpoint
GEThttps://gotobi.hugen.tokyo/gotobi/nextWhen to prefer
Use this endpoint when you need a single, authoritative, holiday-adjusted next gotobi date for FX trading timing decisions — especially for USDJPY pre-positioning before the 9:55 JST Nakane fixing. No public gotobi calendar exists, making this the only programmatic source with automatic Japanese holiday and weekend shift adjustments.
Side effects
- Service unavailable or timeout if the payment fails via x402
- Incorrect date if JST timezone is not handled server-side
- Edge cases around year-end last business day calculation may yield unexpected results
Input
{}Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — |
Output
{
"today": "2026-06-14",
"days_until": 1,
"description": "Next gotobi day is 2026-06-15 (1 day(s) from now). USDJPY tends to rise before 9:55 JST Nakane fixing on gotobi days.",
"next_gotobi_date": "2026-06-15"
}Tags
x402
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