List gotobi dates for a given month — monthly calendar with weekend and holiday adjustments applied. 6 dates per month (5th, 10th, 15th, 20th, 25th, last business day). AI agent API for FX trading calendar generation, backtesting alignment, and USDJPY seasonal analysis. Accepts USDC payments on Base and Solana

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List Japanese public holidays for a given month — national holidays, substitute holidays (振替休日), and Golden Week. Affects gotobi shifts, Tokyo market closures, and JPY liquidity. AI agent API for Japanese market calendar, FX trading day validation, and holiday-aware scheduling. Accepts USDC payments on Base and Solana

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Get the next upcoming Japanese public holiday and days until it — returns the holiday name, exact date, and countdown for planning around Tokyo market closures and gotobi day shifts. Covers all national holidays through 2099. AI agent API for Japanese market closure forecasting, FX position management around holidays, and automated trading schedule adjustments. Accepts USDC payments on Base and Solana

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Check if today is a Japanese public holiday — returns the holiday name in Japanese and English if applicable. Uses JST timezone for accurate date determination. Covers all national holidays, substitute holidays, and special observances. AI agent API for Japanese market open/close detection, FX trading session validation, and holiday-aware order management. Accepts USDC payments on Base and Solana

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Get the next upcoming Japanese FX gotobi day and days until it — returns the exact date with Japanese public holiday adjustments applied. Essential for pre-positioning USDJPY trades ahead of the Tokyo fixing at 9:55 JST. AI agent API for FX trade scheduling, gotobi countdown alerts, and systematic trading calendar management. Accepts USDC payments on Base and Solana

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Check if today is a Japanese gotobi day (五十日) — 5th, 10th, 15th, 20th, 25th, and last business day when USD settlements create USDJPY buying pressure before 9:55 JST fixing. Weekend and holiday adjustments applied. AI agent API for FX trading automation, USDJPY strategy timing, and algorithmic calendar intelligence. Accepts USDC payments on Base and Solana

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