"calendar" matching MCP connectors:

Authoritative time intelligence — current time in 597 timezones, sunrise/sunset/twilight times by location (US Naval Observatory), and moon phase calendar. Essential for scientific, agricultural, and scheduling agents.

USDA hardiness zone, frost dates and vegetable planting calendar for any U.S. ZIP code.

muB

mu.micro

News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint.

17+ Japan MCP tools (weather/calendar v2/local-pack/enrich). x402 on Base, wallet-free trial.