date
Date to check in ISO format (default: today)
How to use it
date is exposed by the MCP Simple Timeserver MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the date tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install MCP Simple Timeserver
npx -y @smithery/cli install mcp-simple-timeserver --client claudeOther tools in MCP Simple Timeserver (22)
Count only Mon-Fri (date-based, inclusive)
Calculates duration between two dates/times (countdowns, elapsed time)
City name (primary use case)
Country name or ISO code
Also exclude public holidays (requires country/city)
Start date (ISO 8601 or "now")
Returns current time with optional location, timezone, and calendar conversions
Returns public holidays (and optionally school holidays) for a country
Returns the current local time, day of week, and timezone from the user's machine
Returns accurate UTC time from an NTP time server
Hebrew/Jewish calendar (returns both English and Hebrew, includes holidays)
Islamic/Hijri lunar calendar
Include school vacation periods
Checks if a specific date is a holiday in a given country or city
ISO 8601 week date (e.g., 2026-W03-6)
Japanese Era calendar (returns both English and Kanji)
Persian/Jalali calendar (returns both English and Farsi)
IANA timezone or UTC offset
End date (ISO 8601 or "now")
Output format
Unix timestamp (seconds since 1970-01-01)
Year to get holidays for (default: current year)