
Claude Desktop
Desktop · Freemium · Proprietary
Anthropic's official Claude AI desktop application. Supports MCP servers to extend functionality.
Calendar & Scheduling · Developer Tools

Cicatriiz/timezone-toolkit
An advanced MCP (Model Context Protocol) server providing comprehensive time and timezone tools with enhanced features beyond basic conversion.
npx -y @cicatriz/timezone-toolkit{
"mcpServers": {
"timezone-toolkit": {
"command": "npx",
"args": [
"-y",
"@cicatriz/timezone-toolkit"
]
}
}
}Convert times between any IANA timezone
Get current time in any timezone
Format time in various styles (short, medium, full)
Calculate time differences in hours/minutes
List available IANA timezones
Calculate sunrise and sunset times for any location
Include twilight times (civil, nautical, astronomical)
Calculate day length for any location/date
Calculate moon phases for any date
Format dates in various styles (short, medium, full, ISO, relative)
convert_time
Convert a time from one timezone to another
get_current_time
Get the current time in a specified timezone
calculate_sunrise_sunset
Calculate sunrise, sunset, and twilight times for a specific location and date
calculate_moon_phase
Calculate moon phase for a specific date
calculate_timezone_difference
Calculate the time difference between two timezones
list_timezones
List available IANA timezones, optionally filtered by region
calculate_countdown
Calculate time remaining until a specific date/event
calculate_business_days
Calculate business days between two dates (excluding weekends)
format_date
Format a date in various styles
Details on this page are taken from the project's README. Open README
Clients mentioned in this server's README:

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