calculate_time_distance
Calculates duration between two dates/times (countdowns, elapsed time)
How to use it
calculate_time_distance is exposed by the MCP Simple Timeserver MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the calculate_time_distance 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)
City name (primary use case)
Country name or ISO code
Date to check in ISO format (default: today)
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)